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BACKGROUND AND PURPOSE Previous reports have established that the incidence of stroke may be influenced by meteorologic variations. However, no significant correlation was clearly demonstrated concerning aneurysmal bleeding. METHODS From January 1, 1989, to December 31, 1991, 238 patients with angiographically confirmed diagnoses of subarachnoid(More)
The authors report on the long-term results of chronic stereotactic stimulation of the ventralis intermedius thalamic nucleus performed in 14 cases of disabling and intractable tremor. There were 10 patients with parkinsonian tremor and four with essential tremor. Three of the 10 parkinsonian patients had previously undergone contralateral thalamotomy.(More)
The authors report a series of 144 children with traumatic extradural hematomas operated on at the Lille Department of Neurosurgery between 1969 and 1982. The patients are divided into different groups according to age, and clinical findings were recorded for each age group. The overall mortality rate was 9%. The authors demonstrate that prognosis is(More)
Surgical resection of spheno-orbital "en plaque" meningiomas should be as complete as possible to prevent tumor recurrence and therefore requires a bone reconstruction. We report a series of 20 patients operated on for spheno-orbital "en plaque" meningioma between 1981 and 1993. The surgical treatment included a resection of the involved dura and a wide(More)
Lhermitte-Duclos disease is a rare entity, and its pathological features are unique. Pathological findings are characteristic of the disease, with global hypertrophy of the cerebellum, coarse gyri, and the typical "inverted cortex" pattern. Several associated lesions were noted in many patients with Lhermitte-Duclos disease. It is only recently that an(More)
The authors report a series of 21 cases of spheno-orbital "en plaque" meningiomas operated on between 1981 and 1993. All patients underwent surgery via fronto-temporal approach with orbito-zygomatic removal, followed by bone reconstruction. A complete tumor resection was performed in 15 cases. In the remaining patients, tumor resection remained subtotal, as(More)
We report on our recent experience with epidermoid cysts in the cerebellopontine angle. We operated on nine patients since 1985, seven of which were investigated with magnetic resonance imaging. Since the arrival of modern neuroimaging, large lesions can be found with only discrete symptoms, such as isolated tinnitus or unspecific headache. With computed(More)
STUDY DESIGN This study analyzed a series of 83 patients operated on for foraminal lumbar disc herniation. OBJECTIVES This study sought to develop clinical and radiologic diagnoses, evaluate interlaminar and extra-articular exposures, and evaluate postoperative results. SUMMARY OF BACKGROUND DATA Some authors have reported a specific clinical syndrome,(More)
Important parameters in quantitative coronary angiography (QCA) are the severity and length of the lesion, the radius of the nonstenotic part of the affected vessel segment and the bifurcation angle (in the case of a bifurcation lesion). Unfortunately, QCA results can be influenced by the viewing angles corresponding to the angiographic images used to(More)