نتایج جستجو برای: immature teratoma
تعداد نتایج: 31760 فیلتر نتایج به سال:
Gliomatosis peritonei is a rare complication of immature teratoma of the ovary and should not be confused with metastatic ovarian carcinoma. Treatment depends on the histological grading of the gliomatous lesions. All grades, except grade 0, qualify for adjuvant chemotherapy. Repeated laparotomies for cytological sampling and the removal of tumour are essential. A 16-year-old Ovambo nulligravid...
We report a rare case of rhabdomyosarcoma spontaneously arising in an anterior mediastinal teratoma in a 47-year-old male. The patient was found to have an anterior mediastinal mass on a chest X-ray, which was taken two months before his presentation to Asan Medical Center. A subsequent computed tomography scan revealed an 8.9×7.1×8.0 cm heterogeneous mass in the anterior mediastinum. He underw...
Fetus in fetu is an extremely rare condition in which a fetus or fetus-like structure with a vertebral axis is seen in the body of its twin. This paper presents a case of fetus in fetu in a two- day-old female newborn who was referred for an abdominal mass, biliary vomiting, and feeding intolerance. After plain abdominal X-ray and ultrasonography, the patient underwent abdominal surgery with th...
Growing teratoma syndrome is characterized by conversion of immature gonadal germ cell tumour to a mature form, along with increase in size of the lesions. Being more frequently described in testicular germ cell tumours, growing teratoma syndrome in an ovarian tumour is uncommon. The exact cause of conversion and growth is unknown and is hypothesized to be induced by chemotherapy. On imaging, t...
The tumor suppressor gene PTEN, which is frequently mutated in human cancers, encodes a lipid phosphatase for phosphatidylinositol 3,4,5-triphosphate [PtdIns(3,4,5)P3] and antagonizes phosphatidylinositol 3 kinase. Primordial germ cells (PGCs), which are the embryonic precursors of gametes, are the source of testicular teratoma. To elucidate the intracellular signaling mechanisms that underlie ...
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