Case reports. Intracerebral schwannoma. Report of a case.
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Biomedical subjects
Publications and source records attributed to E B Hendrick.
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29 cases of intracranial aneurysms in children under 16 years of age are reviewed. The prodrome, presentation, location of aneurysm, and outcome are discussed. Evidence is presented to encourage a more aggressive evaluation of suspected subarachnoid hemorrhage in children.
Thirteen cases of intracranial meningioma presenting in childhood were encountered at the Hospital for Sick Children in Toronto over a 51-year period. The clinical features, radiology, operative findings and outcome are reviewed.
A retrospective study of 15 children with intracranial gangliogliomas and intractable seizures revealed that tumors associated with seizure were located in the temporal and frontal lobes. These patients underwent lobectomy under electrocorticography. Mesial temporal sclerosis was identified in the hippocampus of the excised temporal lobe in 7 of 13 patients with temporal lobectomies. Eleven of the 15 children were seizure-free over a mean follow-up period of 4 years. The surgical approach to gangliogliomas requires careful pre-operative evaluation, including neuroimaging and electrophysiological study to locate seizure activity. Removal of epileptogenic brain as well as the ganglioglioma is recommended to optimize seizure control.
A retrospective study was conducted on 1,719 hydrocephalic patients, treated between 1974 and 1983 at the Hospital for Sick Children (Toronto) and l'Hôpital des Enfants Malades (Paris), in order to better understand shunt failure. The statistical analysis demonstrates the following: (1) A probability of occurrence of shunt malfunction of 81% at 12 years of follow-up. (2) A high prevalence of shunt obstruction (56.1% of all malfunction) and fracture or disconnection of the tubings (13.6%). (3) A higher risk of proximal occlusion with flanged ventricular catheter. (4) Less malfunction with proximal-non-slit valves as compared to distal-slit valves. (5) The importance of pressure-flow characteristics of the shunt; because of an indirect relation between overdrainage and proximal occlusion. (6) A correlation between connectors and migration or fracture of the shunt. (7) Less distal obstructions when an open-ended distal-catheter was used. These complications were of some clinical, psychological and economical consequences. Their rate could be lowed.
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 children and adults are emphasized.
From 1955 to 1975, 116 patients with unilateral and bilateral coronal synostosis, including 39 with craniofacial dysmorphism, were treated surgically. Five techniques were used: multiple linear craniectomies, linear craniectomies with supraorbital grafting, morcellation craniotomies, lateral canthal advancement of the supraorbital margin, and radical cranio-orbitofacial reconstruction. Analysis of clinical and radiological indices of the synostotic process, coupled with evaluation of the surgical results, indicates that the anterior skull base is the site of origin of the bony dysplasia. Therefore, early creation of artificial sutures in the skull base is recommended to provide adequate expansion of the frontal bones and consequently of the entire facial skeleton.