Teratomas belong to Germ cell tumorsand represent a subtype thereof. They are tumors arising from pluripotent cells, which may originate from the endoderm, mesoderm, or ectoderm[^2].
Epidemiology
Primary intracranial teratomas are extremely rare tumors and account for approximately 18-20% of all intracranial germ cell tumors [^3].
2021 WHO Classification
According to the 2021 WHO Classification, the following types of teratoma are distinguished:
Mature Teratoma
Immature Teratoma
Teratoma with somatic-type malignancy