Gene/Protein Disease Symptom Drug Enzyme Compound
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Seven patients between the ages of 3 and 24 years were admitted to our hospital in the last 28 years who had a histological diagnosis of medullomyoblastoma. These patients presented with classic symptoms of a posterior fossa midline mass associated with evidence of raised ICP. A CT scan in each patient revealed a uniformly high-attenuating tumour in the posterior fossa with gross hydrocephalus. In all seven patients a ventriculoperitoneal shunt was placed prior to definitive surgery. Radical tumour excision was carried out in all cases 3-5 days after CSF diversion. The histological diagnosis was made on H&E-stained slides. In two cases each, the tumour tissue was subjected to electron microscopy and immunohistochemical studies. Six of the seven patients survived the operation. One patient died 21 days after surgery as a result of shunt block and shunt infection. All surviving patients received cranial and spinal radiation 2-4 weeks after surgery, and also chemotherapy. The cranial radiation dose ranged from 4500 to 5000 rad, while the spinal radiation dose was limited to 1500 rad. Patients were followed up carefully. Three patients died within 6 months, and the remaining three between 2.5 and 3 years after surgery. None of the patients in our study survived longer than 3 years. One patient had developed paraplegia. This study highlights the details of an uncommon entity and reports the largest collection of such cases in the literature.
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PMID:Medullomyoblastoma. A rare cerebellar tumour in children. 972 81