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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).
The enveloped twin becomes a parasite, in that its survival depends on the survival of the host twin, by drawing on the host twin's blood supply. The parasitic twin is anencephalic (without a brain) and lacks some internal organs, and as such is unable to survive on its own. As the host twin has to "feed" the enveloped twin from the nutrients ...
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 ...
Fetal abnormalities are conditions that affect a fetus or embryo, are able to be diagnosed prenatally, and may be fatal or cause disease after birth.They may include aneuploidies, structural abnormalities, or neoplasms.
Tumors, [9] the most common type of fetal tumor being teratoma, particularly a sacrococcygeal teratoma. Twin-twin transfusion syndrome (TTTS) in pregnancies in which twins share a single placenta (hydrops affects the recipient twin) Twin anemia-polycythemia sequence (TAPS) Twin reversed arterial perfusion sequence (TRAPS) Maternal hyperthyroidism
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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.
KANSAS CITY, Mo. — Many of us wouldn't think of leaving our car unlocked on a city street or a parking lot or even in our own driveway. But that lock may not be as secure as we think. As one ...