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    <image:caption>Seitliche Röntgenaufnahme einer dorsale Spondylodese zwischen dem 3. und 6. Halswirbelkörper.</image:caption>
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    <image:caption>Darstellung eines nicht rupturierten inzidentellen Anterior communicans anterior Aneurysma in einer MR-Angiographie.</image:caption>
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    <image:caption>Darstellung eines infundibulären Abgangs der Arteria communicans posterior in einer digitalen Subtraktionsangiographie.</image:caption>
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    <image:caption>Illustrative Darstellung des Sulcus frontalis inferior (rot markiert).</image:caption>
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    <image:caption>Schematische axiale Schichtdarstellung des Telencephalons mit Beinhaltung der Capsula interna. Abbildung adaptiert von Greys Anatomy.</image:caption>
    
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    <image:caption>Schematische Darstellung der anatomischen Inhalten der Capsula interna. Abbildung adaptiert von Greenbergs Handbook of Neurosurgery.</image:caption>
    
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    <image:title>Capsula interna MRI MDEFT Sequenz </image:title> 
    <image:caption>Capsula interna auf beiden Seiten im axialen MRI (MDEFT Sequenz) Bild.</image:caption>
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    <image:title>Axis Schematisch </image:title> 
    <image:caption>Schematische Darstellung des Axis. Abbildung adaptiert aus Grays Anatomy.</image:caption>
    
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    <image:caption>Darstellung des Dens axis in drei verschiedenen Ebenen im CT.</image:caption>
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    <image:title>Dens Axis im Röntgen transoral </image:title> 
    <image:caption>Darstellung einer transoralen Röntgenaufnahme eines intakten Dens axis im Röntgen.</image:caption>
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    <image:caption>Ein Basilarisspitzenaneurysma (roter Pfeil) in einer zerebralen Angiographie.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <image:caption>Digitale Subtraktionsangiographie eines Basilarisspitzenaneurysmas vor der endovaskulären Versorgung.</image:caption>
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    <image:caption>Digitale Subtraktionsangiographie über die linke Arteria vertebralis eines Patienten mit einem Aneurysma der Basilarisspitze (roter Kreis) und der Arteria cerebelli superior links (blauer Kreis).</image:caption>
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    <image:caption>Digitale Subtraktionsangiographie vor (links) und nach Coiling (rechts) eines Basilarisspitzenaneurysmas.</image:caption>
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    <image:title>Cerebellärer Abszess im CT </image:title> 
    <image:caption>CT Bild eines cerebellären Abszess. Linkes Bild in einer nativen CT-Untersuchung und im rechten Bild in einer CT-Untersuchung mit Kontrastmittel.</image:caption>
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    <image:title>Abszess CT </image:title> 
    <image:caption>Axiales CT des Gehirns mit Kontrastmittel mit einem linksseitig operativ verifiziertem Abszess.</image:caption>
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    <image:title>Abszess im MRT </image:title> 
    <image:caption>Darstellung eines operativ verifizierten linksseitigen Abszesses in verschiedenen MRT Sequenzen (von links nach rechts): T1 mit Kontrastmittel, DWI B1000, DWI ADC</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/abszess_mri_t1_t1km_b1000_b0.png</image:loc>
    <image:title>Abszess MRI </image:title> 
    <image:caption>Ein intrazerebraler Abszess im MRI in verschiedenen Sequenzen: T1, T1 mit Kontrastmittel, B1000, B0</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <image:caption>MRI Bild eines Akustikusneurinom Koos Grad II in axialer, coronaler sowie sagittaler Ebene.</image:caption>
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    <image:caption>Axiales T1 MRT Bild mit Kontrastmittel eines histopathologisch gesicherten Vestibularisschwannoms.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <image:title>Vestibularisschwannom Koos Grad 1 </image:title> 
    <image:caption>Axiales T1 MRT Bild mit Kontrastmittel eines Patienten mit einem punktförmigen Vestibularisschwannom rechts (Koos Grad 1).</image:caption>
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    <image:caption>Axiale Darstellung eines intrameatalen Vestibularisschwannom auf der rechten Seite (Koos Grad 1) in einer axialen T2 Drive Sequenz.</image:caption>
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    <image:caption>T2W Drive Sequenz eines linksseitig intrameatalen Vestibularisschwannoms und einer Größe von knapp 8mm.</image:caption>
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    <image:caption>Schematische Abbildung der fünf PICA Segmente. Abbildung adaptiert von Lewis SB et al. JNS. 2002.</image:caption>
    
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    <image:caption>Schematische Darstellung der fünf verschiedenen Segmente der PICA. green portion = anterior medullary segment; orange portion = lateral medullary segment; blue portion = tonsillomedullary segment; yellow portion = telovelotonsillary segment; and red portion = cortical segment. Abbildung adaptiert von Lewis SB et al. JNS. 2002.</image:caption>
    
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    <image:caption>Darstellung der PICA, welche am roten Pfeil beginnt, in einer lateralen Ansicht in einer digitalen Subtraktionsangiographie.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2021/pica_angiographie.png</image:loc>
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    <image:caption>Darstellung der PICA (roter Pfeil) in der lateralen Ansicht in einer digitalen Subtraktionsangiographie.</image:caption>
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    <image:caption>Darstellung eines linksseitigen PICA Aneurysmas in einer digitalen Subtraktionsangiographie.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <image:loc>https://www.ars-neurochirurgica.com/assets/images/rueckenmark_anatomie.svg</image:loc>
    <image:title>Rückenmark Schematisch </image:title> 
    <image:caption>Übersicht der wichtigen aufsteigenden und absteigenden Bahnen des Rückenmarks. Abbildung adaptiert von Wikimedia.</image:caption>
    
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2022/lemniskales_system_grays_anatomy.jpg</image:loc>
    <image:title>Lemniskales System </image:title> 
    <image:caption>Schematische Abbildung des lemniskalen Systems. Abbildung adaptiert von Grays Anatomy.</image:caption>
    
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    <lastmod>2024-11-25</lastmod>
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    <priority>0.8</priority>
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  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/sinus-intercavernosus</loc>
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2023/sella_region_rhoton_ch8_2.jpg</image:loc>
    <image:title>Sella Region Rhoton </image:title> 
    <image:caption>Anatomische Abbildung der Sella Region mit Darstellung des Sinus cavernosus anterior und inferior. Abbildung adaptiert von Albert Rhoton 2002 Neurosurgery.</image:caption>
    
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/sinus_intercavernosus_aquini_figure.png</image:loc>
    <image:title>Abbildung Sinus intercavernosus </image:title> 
    <image:caption>Abbildung des Sinus intercavernosus anterior und posterior. Adaptiert aus Aquini et al. 1994.</image:caption>
    
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    <lastmod>2023-08-15</lastmod>
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  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/sinus-sagittalis-inferior</loc>
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2025/sinus_durae_matris_grays_anatomy_568.jpg</image:loc>
    <image:title>Sinus durae matris </image:title> 
    <image:caption>Schematische Abbildung der venösen intraduralen Blutleiter. Abbildung adaptiert von Grays Anatomy Figure 568</image:caption>
    
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    <lastmod>2025-02-09</lastmod>
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  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/spinalkanalstenose</loc>
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2020/absolute_spinalkanalstenose.png</image:loc>
    <image:title>Absolute Spinalkanalstenose im MRI </image:title> 
    <image:caption>Absolute Spinalkanalstenose im axialen T2 MRI Bild. Der Liquorsaum lässt sich auf diesem Bild im Spinalkanal nicht mehr abgrenzen.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2026/zervikale_spinalkanalstenose_mrt_t2.jpg</image:loc>
    <image:title>Zervikale Spinalkanalstenose MRT </image:title> 
    <image:caption>Abbildung einer zervikalen Spinalkanalstenose im Segment HWK5/6 in einer sagittalen T2 MRT Sequenz.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <lastmod>2026-04-10</lastmod>
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  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/vena-anastomotica-inferior-labbe-vene</loc>
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2020/rhoton_schema_trolard_labbe_vene.png</image:loc>
    <image:title>Labbé Vene und Trolard Vene </image:title> 
    <image:caption>Schematische Abbildung der Labbé Vene und Trolard Vene adaptiert von Rhoton.</image:caption>
    
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2022/vena_labbe_angiographie.png</image:loc>
    <image:title>Labbé Vene in der digitalen Subtraktionsangiographie </image:title> 
    <image:caption>Darstellung der Vena Labbé (roter Pfeil) in der venösen Phase in einer digitalen Subtraktionsangiographie.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <lastmod>2025-03-16</lastmod>
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  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/vena-anastomotica-superior-trolard-vene</loc>
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2020/rhoton_schema_trolard_labbe_vene.png</image:loc>
    <image:title>Labbé Vene und Trolard Vene </image:title> 
    <image:caption>Schematische Abbildung der Labbé Vene und Trolard Vene adaptiert von Rhoton.</image:caption>
    
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    <lastmod>2025-03-16</lastmod>
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    <priority>0.8</priority>
  </url>
  
  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/karpaltunnel</loc>
    <xhtml:link rel="alternate" hreflang="de" href="https://www.ars-neurochirurgica.com/lexikon/karpaltunnel" />
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2023/karpaltunnel_schematisch.png</image:loc>
    <image:title>Schematische Abbildung des Karpaltunnels. </image:title> 
    <image:caption>Schematische Abbildung der anatomischen Strukturen des Karpaltunnels. Abbildung adaptiert von Wikimedia.org unter der CC BY-SA 3.0 Lizenz.</image:caption>
    
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2022/karpaltunnel_syndrom_operation.png</image:loc>
    <image:title>Karpaltunnel Anatomische Landmarken </image:title> 
    <image:caption>Schematische Abbildung der anatomischen Landmarken zur chirurgischen Dekompression des Nervus medianus bei einem Karpaltunnelsyndrom. Abbildung adaptiert aus Greenbergs Handbook of Neurosurgery.</image:caption>
    
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    <lastmod>2024-11-08</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>
  
  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/arteriovenoese-malformationen-avm</loc>
    <xhtml:link rel="alternate" hreflang="de" href="https://www.ars-neurochirurgica.com/lexikon/arteriovenoese-malformationen-avm" />
    <xhtml:link rel="alternate" hreflang="en" href="https://www.ars-neurochirurgica.com/en/articles/arteriovenous-malformations-avms" />
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/avm_spetzler_martin_grad_2.png</image:loc>
    <image:title>Angiographie einer arteriovenösen Malformation </image:title> 
    <image:caption>Angiographie einer Arteriovenöse Malformation im Lobus frontalis, welche die Hauptfeeder durch die Arteria cerebri media erhält und über eine kortikale Vene in den Sinus sagittalis superior drainiert.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2023/t1km_t2_mrt_smgrad3_avm_mrt.png</image:loc>
    <image:title>AVM MRT </image:title> 
    <image:caption>Darstellung eines Anschnitts einer arteriovenösen Malformation Spetzler und Martin Grad 3 in einer T1 mit Kontrastmittel als auch T2 Sequenz im MRT.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <video:video>
     <video:thumbnail_loc>https://videos.ars-neurochirurgica.com/videos/2023/avm_sm_grad2/avm_spetzler_martin_grad_2_mca_feeder_kortikale_drainage_stream.jpg</video:thumbnail_loc> 
    <video:title>Angiographie einer AVM Spetzler Martin Grad 2 im Lobus frontalis </video:title> 
    <video:description>Angiographie einer Arteriovenöse Malformation (Grad 2 nach Martin und Spetzler) im Lobus frontalis, welche die Hauptfeeder durch die Arteria cerebri media erhält und über eine kortikale Vene in den Sinus sagittalis superior drainiert.</video:description>
    <video:content_loc>https://videos.ars-neurochirurgica.com/videos/2023/avm_sm_grad2/avm_spetzler_martin_grad_2_mca_feeder_kortikale_drainage_stream.mp4</video:content_loc>
    <video:duration>9</video:duration> 
    <video:publication_date>2021-01-01</video:publication_date> 
    <video:live>no</video:live>
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    <lastmod>2023-12-22</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>
  
  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/clipping</loc>
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/fenestrierter_lazic_aneurysmaclip_angiographie.png</image:loc>
    <image:title>Lazic Aneurysmaclip </image:title> 
    <image:caption>Darstellung eines fenestrierten Lazic Aneurysmaclip in einer digitalen Substraktionsangiographie.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/90grad_lazic_L_aneurysmaclip_angiographie.png</image:loc>
    <image:title>90 Grad gebogenen Lazic Aneurysmaclip </image:title> 
    <image:caption>Darstellung eines 90 Grad gebogenen Lazic Aneurysmaclip in einer digitalen Substraktionsangiographie.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2023/ica_aneurysma_pcomabgang_lazic_clip_intraoperativ.JPG</image:loc>
    <image:title>Lazic Clip Intraoperativ </image:title> 
    <image:caption>Intraoperative Ansicht eines geclippten Aneurysma der Arteria carotis interna links ab Abgang der Arteria communicans posterior. Zugang über einen modifizierten lateralen supraorbitalen Zugang (modifzierter LSO Zugang). Clipping wurde mit einem geraden Lazic Clip durchgeführt..</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <lastmod>2024-02-05</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>
  
  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/nervus-opticus</loc>
    <xhtml:link rel="alternate" hreflang="de" href="https://www.ars-neurochirurgica.com/lexikon/nervus-opticus" />
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    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2023/nervus_opticus_schematisch.jpg</image:loc>
    <image:title>Nervus opticus schematisch </image:title> 
    <image:caption>Schematische anatomische Zeichnung des Nervus opticus. Abbildung adaptiert von Habal MB et al. 1977.</image:caption>
    
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/nervus_opticus_mri_t1.png</image:loc>
    <image:title>Nervus opticus MRT </image:title> 
    <image:caption>Darstellung des Nervus opticus in einer axialen T1 MRI Sequenz.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2023/nervus-opticus-intraoperativ.JPG</image:loc>
    <image:title>Nervus opticus intraoperativ </image:title> 
    <image:caption>Darstellung des linken Nervus opticus über einen modifizierten linksseitig lateralen supraorbitalen Zugang (modifizierter LSO).</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <lastmod>2023-11-25</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>
  
  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/ependymom</loc>
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/ependymom_vierter_ventrikel_mri_t1km.png</image:loc>
    <image:title>Ependymom MRI </image:title> 
    <image:caption>Ependymom ausgehend vom vierten Ventrikel im sagittalen Schnitt in einer T1 Sequenz mit Kontrastmittel im MRI des Schädels.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2023/ependymom_vierter_ventrikel_mrt.jpg</image:loc>
    <image:title>Ependymom vierter Ventrikel </image:title> 
    <image:caption>Sagittales natives T1 und T1 mit Kontrastmittel MRT Sequenz eines Patienten mit einem histopathologisch verifizierten Ependymoms ausgehend vom Boden des vierten Ventrikels.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2021/intramedullaeres_ependymom_who_grad_2_mri.png</image:loc>
    <image:title>Intramedulläres Ependymom im MRI </image:title> 
    <image:caption>Darstellung eines histologisch bestätigten intramedullären Ependymoms (WHO Grad II) in verschiedenen MRI Sequenzen.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2023/intramedullaeres_ependymom_who_grad_2_mrt.jpg</image:loc>
    <image:title>Intramedulläres zervikales Ependymom </image:title> 
    <image:caption>Sagittale MRT Bildgebung eines histopathologisch verifizierten Ependymoms (WHO Grad 2) in drei verschiedenen Sequenzen.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <video:video>
     <video:thumbnail_loc>https://videos.ars-neurochirurgica.com/videos/2023/20236FOCVID2381/20236FOCVID2381_stream.jpg</video:thumbnail_loc> 
    <video:title>Resection of intradural intramedullary subependymoma of the cervicothoracic spine: 2-dimensional operative video </video:title> 
    <video:description>Operationsvideo einer Resektion eines intramedullären Ependymoms.</video:description>
    <video:content_loc>https://videos.ars-neurochirurgica.com/videos/2023/20236FOCVID2381/20236FOCVID2381_stream.mp4</video:content_loc>
    <video:duration>489</video:duration> 
    <video:publication_date>2023-10-01</video:publication_date> 
    <video:live>no</video:live>
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    <lastmod>2023-12-31</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>
  
  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/foramen-mastoideum</loc>
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2023/os_temporale_innenflaeche_grays_anatomy.jpeg</image:loc>
    <image:title>Os temporale Innenfläche </image:title> 
    <image:caption>Schematische Abbildung der Innenfläche des Os temporale. Abbildung adaptiert aus Figure 138 von Grays Anatomy.</image:caption>
    
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/foramen_mastoideum_ct.png</image:loc>
    <image:title>Foramen mastoideum im CT </image:title> 
    <image:caption>Axiales CT Bild mit Darstellung des Foramen mastoideum (blauer Pfeil).</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <lastmod>2024-01-12</lastmod>
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    <priority>0.8</priority>
  </url>
  
  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/interhemisphaerisches-hygrom</loc>
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    <image:image>
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2020/interhemisphaerisches_hygrom.png</image:loc>
    <image:title>Interhemisphärisches Hygrom im CT </image:title> 
    <image:caption>Ein interhemisphärisches Hygrom nach einer dekompressiven Hemikraniektomie auf der rechten Seite.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <lastmod>2024-04-20</lastmod>
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    <priority>0.8</priority>
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  <url>
    <loc>https://www.ars-neurochirurgica.com/lexikon/astrozytom</loc>
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    <image:caption>Ein Astrozytom frontal links im MRI in verschiedenen MRI Sequenzen. Von links nach rechts: T2 Flair, Diffusion, T1 und T1 mit Kontrastmittel</image:caption>
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    <image:caption>CT Rekonstruktion eines Patienten nach einer zweifachen Bohrlochtrepanation im Rahmen eines chronischen Subduralhämatoms. Auf den Bohrlöchern befinden sich zur Abdeckung Stryker low-profile Plättchen.</image:caption>
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    <image:caption>Abbildung einer coronaren CT Bildgebung im Knochenfenster bei einem Patienten nach durchgeführter rechtsseitiger Bohrlochtrepanation.</image:caption>
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    <image:caption>Preoperatives MRI Bild eines Glioblastoms (links) und postoperatives MRI Bild nach Resektion (rechts). Es zeigt sich eine vollständige Entfernung der Kontrastmittelaufnehmenden Tumoranteilen.</image:caption>
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    <image:caption>Axiale T2 MRT Sequenz einer Patientin mit einer ausgeprägten bifrontalen Hyperostose.</image:caption>
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    <image:caption>Röntgenbild nach einer durchgeführten Kyphoplastie auf zwei Höhen der lumbalen Wirbelsäule.</image:caption>
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    <image:caption>Sagittales CT nach Durchführung einer Kyphoplastie auf zwei Höhen.</image:caption>
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    <image:caption>Schematische Abbildung der Nerven der oberen Extremität. Abbildung von Grays Anatomy adaptiert.</image:caption>
    
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    <image:caption>Darstellung des Nervus ulnaris auf Höhe des Sulcus nervi ulnaris im Ultraschall bei einem Patienten mit Kubitaltunnelsyndrom.</image:caption>
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    <image:caption>MRT eines linken Ellbogen mit Darstellung des Sulcus nervi ulnaris (roter Kreis), in welchem auf dem Bild sichtbar der Nervus ulnaris verläuft bei einem Patient mit einem Kubitaltunnelsyndrom.</image:caption>
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    <image:caption>Darstellung des Sinus sagittalis superior (rote Pfeile) in einer venösen Phase einer digitalen Subtraktionsangiographie.</image:caption>
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    <image:caption>Darstellung des Sinus sigmoideus auf beiden Seiten in einer venösen Phase einer digitalen Subtraktionsangiographie.</image:caption>
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    <image:caption>Bilaterale Darstellung des Sinus transversus (roter Pfeil) in einer venösen Phase einer digitalen Subtraktionsangiographie.</image:caption>
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    <image:caption>Abbildung des Colliculus inferior im sagittalen T1 MRI Bild.</image:caption>
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    <image:caption>Schematische Abbildung des linksseitigen Os temporale von inferior. Abbildung adaptiert von Grays Anatomy Figure 141.</image:caption>
    
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    <image:caption>Thoraxröntgen mit Darstellung eines VA-Shunts im Röntgenbild (roter Pfeil).</image:caption>
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    <image:caption>Schematische Darstellung des Ventrikelsystems und deren Komponenten. Abbildung adaptiert von Grays Anatomy Figure 736.</image:caption>
    
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    <image:caption>Sagittales T1 gewichtetes MRI Bild mit Kontrastmittel, welches den vierten Ventrikel (roter Pfeil) abbildet.</image:caption>
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    <image:caption>Anatomische Zeichnung der Arteria vertebralis adaptiert von Grays Anatomy Figure 513.</image:caption>
    
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    <image:caption>Digitale Subtraktionsangiographie einer linksseitigen Arteria vertebralis. Darstellung des Verlaufs vom V2 Segment bis zur Arteria basilaris deren Aufteilung in die Arteria cerebri posterior.</image:caption>
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    <image:caption>Darstellung der Arteria vertebralis mit ihrem Übergang in die Arteria basilaris und weiterführende Gefäßen.</image:caption>
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    <image:caption>Darstellung der Arteria vertebralis in einer diagnostischen digitalen Substraktionsangiographie.</image:caption>
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    <image:caption>Rekonstruktion einer CT-Angiographie eines Patienten mit einem linksseitigen Aneurysma der Arteria vertebralis im V4 Segment links.</image:caption>
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    <image:caption>Schematische und MRT Abbildungen der drei anatomischen Variationen des Chiasma opticums. AC, anterior clinoid; DS, dorsum sellae; IC, internal carotid artery; OC = Chiasma opticum; ON = Nervus opticus; OT = Tractus opticus; PG = Hypophyse; TS = Tuberculum sellae. Abbildung adaptiert von Prieto et al. World Neurosurgery 2015.</image:caption>
    
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    <image:caption>Schematische und MRT Abbildungen möglicher Dislokationen des Chiasma opticums. Abbildung adaptiert von Prieto et al. World Neurosurgery 2015.</image:caption>
    
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    <image:caption>Darstellung des Chiasma opticum (innerhalb der roten Markierung) in einer axialen T2 MRT Sequenz des Schädels.</image:caption>
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    <image:caption>Schematische Abbildung des Ductus frontonasalis. FS=Sinus frontalis. Abbildung adaptiert von Kim, Kyung Su, et al. Surgical anatomy of the nasofrontal duct: anatomical and computed tomographic analysis. The Laryngoscope 111.4 (2001): 603-608.</image:caption>
    
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    <image:caption>Darstellung des Ductus frontonasalis (roter Pfeil) in einem anatomischen Präparat. Abbildung adaptiert von Gupta, Tulika, Anjali Aggarwal, and Daisy Sahni. Surgical anatomy of the frontal sinus outflow pathway a cadaveric study. Eur J Anat 17.1 (2013) 29-34.</image:caption>
    
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    <image:caption>Sagittale CT-Bildgebung mit Darstellung des Ductus frontonasalis (Weißer Pfeil). FS=Sinus frontalis. Abbildung adaptiert von Kim, Kyung Su, et al. "Surgical anatomy of the nasofrontal duct: anatomical and computed tomographic analysis." The Laryngoscope 111.4 (2001): 603-608.</image:caption>
    
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    <image:title>Chater Punkt Abbildung </image:title> 
    <image:caption>Darstellung des Chater Punkts in einem lateralen Angiogram. Abbildung adaptiert aus der orginalen Publikation von Spetzler und Chater 1976.</image:caption>
    
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    <image:caption>Schematische Darstellung der Innenfläche des Os occipitale. Abbildung adaptiert von Grays Anatomy.</image:caption>
    
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    <image:caption>Schematische Darstellung der Außenfläche des Os occipitale mit Markierung der Muskelanänsätze. Abbildung adaptiert von Grays Anatomy.</image:caption>
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    <image:caption>Axiales CT Bild im Knochenfenster mit Anschnitt des Os occipitale.</image:caption>
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    <image:caption>Schematische Darstellung einer Verplattung im Rahmen einer ACDF Operation.</image:caption>
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    <image:caption>Intraoperative Ansicht einer monosegmentalen ACDF Platte (Vectra) mit einer Länge von 16 mm.</image:caption>
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    <image:caption>Darstellung eines Cages (roter Pfeil) nach Durchführung eines ACDF Eingriffs.</image:caption>
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    <image:caption>Postoperatives Röntgen nach einer ACDF HWK 5/6 mit einem Cage der Firma Icotec.</image:caption>
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    <image:caption>Laterales Röntgenbild eines Patienten mit einem Coalition Cage auf Höhe HWK5/6.</image:caption>
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    <image:caption>Laterales Röntgenbild eines Patienten mit einem eingebrochenen Cage</image:caption>
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    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2022/acdf_cage_einbruch_ct.png</image:loc>
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    <image:caption>Sagittales CT Bild eines eingebrochenen Cage nach einer ACDF Operation.</image:caption>
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    <image:caption>Laterales Röntgenbild eines Patienten nach einer ACDF Operation HWK5/6 mit einem nach anterior dislozierten Cage.</image:caption>
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    <image:caption>Anatomische Abbildung adaptiert von Albert Rhoton (2002) Neurosurgery.</image:caption>
    
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    <image:caption>Facettengelenkszyste in einer axialen T2 MRI Sequenz.</image:caption>
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    <image:caption>T2 MRT Sequenz einer partiell eingebluteten Facettengelenkszyste auf Höhe LWK2/3.</image:caption>
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    <image:caption>Gefäßdarstellung mit Natriumfluorescein (rechtes Bild) und links ohne Natriumfluorescein nach Clipping eines intrazerebralen Aneurysmas. Abbildung adapatiert von Zhao, Xiaochun, et al. Application of fluorescein fluorescence in vascular neurosurgery. Frontiers in surgery 6 (2019): 52.</image:caption>
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    <image:caption>Darstellung der Hirnoberfläche mit einer sich an der Oberfläche befindlichen Hirnmetastase, welche durch Natriumfluorscein gefärbt wurde und sich eindeutig vom umliegenden Hirngewebe unterscheidet. Abbildung adaptiert von: Kerschbaumer, Johannes, et al. Mind the gap—the use of sodium fluoresceine for resection of brain metastases to improve the resection rate. Acta Neurochirurgica 165.1 (2023): 225-230.</image:caption>
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    <image:title>Natriumfluorescein Liquorfistel </image:title> 
    <image:caption>Verwendung von Natriumfluorescein zur Detektierung einer Liquorfistel. Abbildung adaptiert von Lozano, P. A., et al. Hypodense sodium fluorescein for diagnosis and skull base cerebrospinal fluid leak repair. J Otolaryng Head Neck Surg 4 (2018): 023.</image:caption>
    
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    <image:caption>Abbildung einer verdünnten Lösung von 0,7ml 5% Natriumfluorescein verdünnt auf 10ml distilliertes Wasser.</image:caption>
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    <image:caption>SPECT/CT der Halswirbelsäule mit einer aktivierten Osteochondrose im Segment HWK5/6.</image:caption>
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    <image:caption>Darstellung eines histopathologisch gesicherten Aspergilloms in einer axialen T1 Sequenz mit Kontrastmittel lokalisiert parietal auf der rechten Seite.</image:caption>
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    <image:caption>Schematische Abbildung des Verlaufs der Langer Linien. Abbildung adaptiert nach der orginalen Publikation von Langer.</image:caption>
    
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    <image:caption>Schematische Darstellung der Ligamente des kraniozervikalen Übergangs. Abbildung adaptiert von Gray's Anatomy.</image:caption>
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    <image:caption>Schematische Darstellung der Ligamente der Wirbelsäule in einem Sagitallschnitt. Abbildung adaptiert von Grays Anatomy.</image:caption>
    
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    <image:caption>Schematische Zeichnung der Fissura cerebellomedullaris. Abbildung adaptiert von Ucerler et al. 2008.</image:caption>
    
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    <image:title>Schematische Darstellung von Brainstem auditory evoked responses </image:title> 
    <image:caption>Schematische Darstellung von Brainstem auditory evoked responses. P1 = Distaler Nervus vestibulocochlearis, P2 = Proximaler Nervus vestibulocochlearis oder Nucleus cochlearis, P3 = Untere Pons, P4 = mittlere bis obere Pons, P5 = Obere Pons oder Colliculus inferior. Abbildung adaptiert von Greebergs Handbook of Neurosurgery.</image:caption>
    
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    <image:title>Butterflygliom MRT </image:title> 
    <image:caption>Axiales MRI Bild (T1 Sequenz mit Kontrastmittel) eines Butterflyglioms.</image:caption>
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    <image:title>Corpus Callosum </image:title> 
    <image:caption>Schematische Abbildung des Corpus callosum in einer Ansicht von oben. Abbildung adaptiert von Sobotta.</image:caption>
    
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    <image:title>Corpus callosum im MRI </image:title> 
    <image:caption>Darstellung des Corpus callosum mit seinen verschiedenen Abschnitten im sagittalen 7 Tesla MRI in einer T1 Sequenz mit Kontrastmittel.</image:caption>
    
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    <image:title>Schematisch Pedikelschraubeneintrittspunkt </image:title> 
    <image:caption>Lumbaler Pedikelschraubeneintrittspunkt. Die Pedikelschrauben auf Höhe des thorakolumbalen Über-gangs werden in einem Winkel von 5–10° zur Mittellinie einge-bracht. Die Schrauben werden auf Höhe von L2 in einem Winkel von 10° und auf Höhe von L5 in einem Winkel von 15° konvergierend eingebracht. Abbildung adaptiert von Wallnoefer et al.</image:caption>
    
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    <image:title>Pedikelschrauben im Röntgen </image:title> 
    <image:caption>Darstellung der Pedikelschrauben einer mehrsegmentalen Spondylodese im lateralen Röntgenbild..</image:caption>
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    <image:title>Gebrochene Pedikelschraube CT </image:title> 
    <image:caption>Axiales CT Bild einer rechtsseitig gebrochenen Pedikelschraube.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2026/pedikelschraubenbruch_ct_sagittal.jpg</image:loc>
    <image:title>Gebrochene Pedikelschraube CT </image:title> 
    <image:caption>Sagittales CT einer gebrochenen Pedikelschraube (roter Pfeil).</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2026/pedikelschraubenbruch_roentgen.jpg</image:loc>
    <image:title>Gebrochene Pedikelschraube Röntgen </image:title> 
    <image:caption>Laterales Röntgen einer gebrochenen Pedikelschraube (roter Pfeil).</image:caption>
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    <image:title>Bergungstechnik für gebrochene Pedikelschrauben </image:title> 
    <image:caption>Schematische Illustration einer Bergungstechnik für gebrochene Pedikelschrauben, ohne den umliegenden Knochen zu beschädigen. Mit einem Gewindeschneider wird eine parallele Fläche geschaffen (Hellgrauer Teil wird abgetragen mit dem Gewindeschneider), sodass die Pedikelschraube herausgedreht werden kann mit einem Halteinstrument.</image:caption>
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    <image:title>Pedikelschraubenfehllage CT </image:title> 
    <image:caption>Axiales CT einer rechtsseitig extrapedikulär liegenden Pedikelschraube.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <image:title>Pedikelschraubenmigration im Röntgen </image:title> 
    <image:caption>Ausschnitt aus einem lateralen Röntgenbild eines Patienten mit einer Migration der Pedikelschrauben auf den abgebildeten zwei Höhen.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
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    <image:title>Pedikelschraubenlockerung Röntgen </image:title> 
    <image:caption>Röntgenaufnahme mit einem beidseitigem Lockerungssaum von lumbalen Pedikelschrauben.</image:caption>
    <image:license>https://creativecommons.org/licenses/by-nc-nd/4.0/</image:license> 
    <image:loc>https://www.ars-neurochirurgica.com/assets/images/2025/pedikelschraubenlocker_ct.jpg</image:loc>
    <image:title>Pedikelschraubenlockerungssaum im CT </image:title> 
    <image:caption>Axiale CT-Bildgebung eines Patienten mit beidseitig gelockerten lumbalen Pedikelschrauben. Der rote Pfeil signalisiert den Lockerungssaum rund um die Schraube.</image:caption>
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    <image:title>Figure 732 Grays Anatomy </image:title> 
    <image:caption>Abbildung 732 adaptiert aus Grays Anatomy.</image:caption>
    
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    <image:title>Facettengelenksinfiltration LWK5/SWK1. </image:title> 
    <image:caption>Röntgengestützte unilaterale Infiltration des Facettengelenks LWK5/SWK1.</image:caption>
    
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    <image:caption>Strukturformel von Gadovist (Gadobutrol)</image:caption>
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    <image:title>Glioblastom im MRI </image:title> 
    <image:caption>Darstellung eines Glioblastoms im MRI linksseitig eine native T1 Sequenz und rechts eine T1 Sequenz mit Kontrastmittel.</image:caption>
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    <image:title>Sinus sigmoideus Divertikel CT </image:title> 
    <image:caption>Coronare CT Bildgebung eines bilateralen Sinus sigmoideus Divertikels. Abbildung adaptiert von Mattox et al. (2007) DOI: 10.1097/01.mao.0000247814.85829.f6</image:caption>
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    <image:caption>ISG-Infiltration am kranialen und kaudalen Gelenksanteil im gekippten AP Röntgenbild.</image:caption>
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    <image:caption>Lateraler Strahlengang einer ISG Infiltration mit zwei Infiltrationsstellen am kranialen und kaudalen Gelenksende.</image:caption>
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    <image:caption>Axiales CT-Bild einer Stichkanalblutung, welche durch die Einlage einer externen Ventrikeldrainage ausgelöst wurde.</image:caption>
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    <image:caption>Coronares CT einer Stichkanalblutung entlang einer externen Ventrikeldrainage (EVD).</image:caption>
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