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A teratoma with malignant transformation is a very rare form of teratoma that may contain elements of somatic malignant tumors such as leukemia, carcinoma, or sarcoma. [35] Of 641 children with pure teratoma, nine developed TMT: [47] five carcinoma, two glioma, and two embryonal carcinoma (here, these last are classified among germ cell tumors).
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 ...
Epignathus is a rare teratoma of the oropharynx. [1] Epignathus is a form of oropharyngeal teratoma that arises from the palate and, in most cases, results in death. The pathology is thought to be due to unorganized and uncontrolled differentiation of somatic cells leading to formation of the teratoma; sometimes it is also referred to as fetus in fetu, which is an extremely rare occurrence of ...
Pericardial teratoma. Fetal heart tumors “are quite rare” says Dr. Jack Rychik, one of the doctors involved in Brailey Valenzuela’s surgery. A pericardial teratoma is a tumor but differs ...
A sacrococcygeal teratoma is a tumor that forms on the tailbone during fetal development, according to Texas Children's Hospital. After receiving the surprise diagnosis, Kristin Tyler and her ...
A dermoid cyst is a teratoma of a cystic nature that contains an array of developmentally mature, solid tissues. It frequently consists of skin, hair follicles, and sweat glands, while other commonly found components include clumps of long hair, pockets of sebum, blood, fat, bone, nail, teeth, eyes, cartilage, and thyroid tissue.
She had an ovarian teratoma, a rare type of bony tumor in modern times, but even more rare in the archaeological record. According to the study, only four cases have ever been reported in ancient ...
Sacrococcygeal teratoma (SCT) ... In rare cases, pelvic scarring may necessitate that a pregnant woman who is a SCT survivor deliver her baby by cesarean section.