نتایج جستجو برای: neuroectodermal tumor ppnet
تعداد نتایج: 430336 فیلتر نتایج به سال:
Primitive neuroectodermal tumor (PNET) is highly malignant and extremely rare in the spine. We present a case with primary spinal primitive neuroectodermal tumor (PSPNET) which involved epidural space of thoracic spine with cord compression. Magnetic resonance imaging (MRI) showed an isointense epidural lesion on T1WI and T2WI. Heterogeneous enhancement following the administration of gadoliniu...
central nervous system atypical teratoid/rhabdoid tumor during infancy is a rare, highly aggressive tumor most commonly seen in the cerebellar area. herein we describe the case of a 4-month-old baby who presented with convulsions. pathologic examination of her cerebellar mass showed an atypical teratoid/rhabdoid tumor. the patient died 5 days after surgery despite complete excision of the mass ...
PURPOSE To investigate the role of proton MR spectroscopy in pediatric cerebellar tumor diagnosis. METHODS Single voxel pulse sequences with long echo time (135 or 270 milliseconds, voxel size 8 to 19 cm3), were used to obtain proton spectra of primary pediatric cerebellar tumors. Eleven primitive neuroectodermal tumors (patient age, 2 to 12 years; mean, 7 years), 11 low-grade astrocytomas (a...
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