Extradural Extension of Primitive Neuroectodermal Tumor —Case Report—
نویسندگان
چکیده
منابع مشابه
Extradural extension of primitive neuroectodermal tumor--case report.
A 13-year-old boy presented with a primitive neuroectodermal tumor (PNET) with unusual extracranial extension. Precontrast computed tomography showed the tumor as a ring-shaped high-density area which was enhanced postcontrast, with a low-density center. Magnetic resonance imaging showed the tumor as a low-intensity area on the T1-weighted images with marked enhancement by gadolinium-diethylene...
متن کاملPrimary intraspinal extradural primitive neuroectodermal tumor: A rare case
Primitive neuroectodermal tumors (PNETs) are aggressive childhood malignancies and are difficult to treat. Primary intraspinal PNETs are rare. These patients have poor prognosis with short survival time even after surgery and chemoradiation. As there are no standard guidelines exist for the management of these tumors, a multidisciplinary approach has been employed with varying success. Accordin...
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Primitive neuroectodermal tumors (PNETs) are small round cell malignant tumors classified as part of the Ewing’s sarcoma family of neoplasms, which represents approximately 1% of all sarcomas1. Predominantly occurring in soft tissues along the extremities, they have also been reported in a variety of organs such as kidney, urinary bladder, testis, ovary, uterus, heart and lung2, 3. Pancreatic P...
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: Neurologia medico-chirurgica
سال: 1994
ISSN: 0470-8105,1349-8029
DOI: 10.2176/nmc.34.379