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Forty-one patients with herniated lumbar discs in a lateral location underwent unilateral complete facetectomy for removal of their disc herniation. The diagnosis was made by computerized tomography in all patients. The follow-up period varied between 4 and 60 months, with an average of 22.4 months. All patients underwent dynamic lumbar spine x-ray films(More)
14 children with central nervous system gangliogliomas are reviewed. The tumors were most frequently located in the cerebral hemisphere and often were cystic and calcified. Total removal was performed in only 1 patient. A well-defined plane of cleavage could not obtained in the majority of tumors at surgery. All patients are alive on follow-up and only 1 is(More)
The authors report a case of cortical vein and sagittal sinus thrombosis after a transcallosal removal of a colloid cyst of the third ventricle. Thirty-six hours after the operation, the patient developed focal seizures; after progressive deterioration, he died on the sixth postoperative day. At the autopsy, a venous hemorrhagic infarct in the right(More)
Three patients with chordomas of the clivus and the upper cervical spine underwent the removal of their tumors through a transoral approach with labiomandibular splitting and microsurgical techniques. This surgical approach provided excellent visualization of the anterior craniocervical area and allowed a gross total removal in each case. Although the(More)
The clinical experience with lumbar disc disease in 38 patients at a large children's hospital is reviewed. Thirty children underwent surgical treatment; eight patients were not operated upon. The surgical results were excellent, with 93% of the children cured or markedly improved on follow-up. The main differential aspects of lumbar disc disease between(More)
A patient who developed an embolic occlusion of the right middle cerebral artery while undergoing a cerebral arteriogram was successfully operated on by removal of the embolus under the surgical microscope. Early postoperative cerebrovascular spasm was a factor in the transient deterioration of the patient's neurological condition. When the patient was last(More)
Eleven cases of microsurgical removal of intramedullary spinal cord tumors are reported. Difficulties previously recorded with removal of astrocytomas were not encountered in five such tumors of this series. None of these patients was significantly worse and seven out of the eleven patients were improved following surgery. The effects of prior surgery and(More)