Medulloblastomas – Primitive neuroectodermal tumours in the adult population
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چکیده
منابع مشابه
Mandibular primitive neuroectodermal tumor in an adult dog
This is the report of a mandibular neuroectodermal/ewing sarcoma in an 8-year-old male cross breed dogthat is unique because of tumor origin location. Pedunculated, ulcerative, firm 6.0 × 4.0 × 5.5 cm tumor masseffaced the bone at the rostral part of the mandible and had a white-sanguineous color at cross sectionappearance. Histopathologically, small round blue cell tumor was diagnosed. Immunoh...
متن کاملPrimitive uterine neuroectodermal tumours: Two case reports
Primitive neuroectodermal tumor (PNET) arise from Kulchitsky cells and are rarely seen in the female genital tract. Differential diagnosis of PNET can be made based on immunohistochemical profiles and genetic analyses. Genital tract pNETs are very aggressive pathologies with different clinical and molecular manifestations and there are no standard guidelines for treatment. We aimed to present t...
متن کاملA primitive neuroectodermal tumor in an adult
RATIONALE Central nervous system primitive neuroectodermal tumors (CNS PNETs) mostly occur in children and present as cerebellar medulloblastoma. A few cases of PNETs occur in the cerebral hemisphere. The presence of a PNET in ventricles is extremely rare. The prognosis of CNS PNET is extremely poor, and the 5-year survival rate does not exceed 35%. In the present study, we describe the first c...
متن کاملPeripheral Primitive Neuroectodermal Tumor of the Pelvis
The primitive neuroectodermal tumor (PNET) belongs to a group of highly malignant tumors and is composed of small round cells of a neuroectodermal origin. Categorized in the same tumor family as Ewing sarcoma, the PNET is most likely to occur in bones and soft tissues. However, a small number of PNET cases arising in the pelvis have been reported as well. We present three cases of pelvic PNET: ...
متن کاملPrimitive Neuroectodermal Tumor of the Kidney
Primitive neuroectodermal tumor (PENETs) is an uncommon malignancy of bone and soft tissue witch rarely occurs in the kidney. In more than 90% of the cases, the tumor cells relieves a balanced translocation (11; 22) (q24; q12). Immunohistochemical staining may be required for diagnosis of PENET. The cells of tumor express CD99, vimentin, NSE, FL1 but do not express Ck, LCA, myogenin, and WT1. W...
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ژورنال
عنوان ژورنال: Journal of Medical Imaging and Radiation Oncology
سال: 2008
ISSN: 1754-9477,1754-9485
DOI: 10.1111/j.1440-1673.2007.01915.x