![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/2/23/Immature_teratoma_high_mag.jpg/640px-Immature_teratoma_high_mag.jpg&w=640&q=50)
Immature teratoma
Medical condition / From Wikipedia, the free encyclopedia
An immature teratoma is a teratoma that contains anaplastic immature elements, and is often synonymous with malignant teratoma.[1] A teratoma is a tumor of germ cell origin, containing tissues from more than one germ cell line,[2][3][4] It can be ovarian or testicular in its origin.[4] and are almost always benign.[5] An immature teratoma is thus a very rare tumor, representing 1% of all teratomas, 1% of all ovarian cancers, and 35.6% of malignant ovarian germ cell tumors.[6] It displays a specific age of incidence, occurring most frequently in the first two decades of life and almost never after menopause.[4] Unlike a mature cystic teratoma, an immature teratoma contains immature or embryonic structures. It can coexist with mature cystic teratomas and can constitute of a combination of both adult and embryonic tissue.[7][8] The most common symptoms noted are abdominal distension and masses.[9] Prognosis and treatment options vary and largely depend on grade, stage and karyotype of the tumor itself.
Immature teratoma | |
---|---|
![]() | |
Micrograph of the primitive neuroepithelium of an immature teratoma. H&E stain. | |
Specialty | Oncology |