Sternberg canal

Synonyms
Sternbergs canal, lateral craniopharyngeal canal

The Sternberg canal is a bony opening that may result from incomplete fusion of the greater wing of the sphenoid with the body of the sphenoid bone and represents a weak point in the Skull base[^1].

Epidemiology

The presence of a Sternberg canal is rare and was observed in one out of 1000 patients in a study involving CT imaging[^2].

Imaging

Sternberg’s canal on CT
Depiction of a patient with a Sternberg’s canal on CT imaging. Figure adapted from 1. Barañano CF, Cure J, Palmer JN, Woodworth BA. Sternbergs Canal: Fact or Fiction? American Journal of Rhinology and Allergy. 2009;23(2):167-171. doi:10.2500\/ajra.2009.23.3290

Clinical relevance

The Sternberg canal may lead to the development of a spontaneous Cerebrospinal fluid fistula or an encephalocele of the Temporal lobe that protrudes into the lateral recess of the Sphenoid sinus[^1].

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