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Neurol India ; 2008 Jan-Mar; 56(1): 57-61
Article de Anglais | IMSEAR | ID: sea-120775

RÉSUMÉ

Context: Glomus jugulare (GJ) tumors are paragangliomas found in the region of the jugular foramen. Surgery with/without embolization and conventional radiotherapy has been the traditional management option. Aim: To analyze the efficacy of gamma knife radiosurgery (GKS) as a primary or an adjunctive form of therapy. Settings and Design: A retrospective analysis of patients who received GKS at a tertiary neurosurgical center was performed. Materials and Methods: Of the 1601 patients who underwent GKS from 1997 to 2006, 24 patients with GJ underwent 25 procedures. Results: The average age of the cohort was 46.6 years (range, 22-76 years) and the male to female ratio was 1:2. The most common neurological deficit was IX, X, XI cranial nerve paresis (15/24). Fifteen patients received primary GKS. Mean tumor size was 8.7 cc (range 1.1-17.2 cc). The coverage achieved was 93.1% (range 90-97%) using a mean tumor margin dose of 16.4 Gy (range 12-25 Gy) at a mean isodose of 49.5% (range 45-50%). Thirteen patients (six primary and seven secondary) were available for follow-up at a median interval of 24 months (range seven to 48 months). The average tumor size was 7.9 cc (range 1.1-17.2 cc). Using a mean tumor margin dose of 16.3 Gy (range 12-20 Gy) 93.6% coverage (range 91-97%) was achieved. Six patients improved clinically. A single patient developed transient trigeminal neuralgia. Magnetic resonance imaging follow-up was available for 10 patients; seven recorded a decrease in size. There was no tumor progression. Conclusions: Gamma knife radiosurgery is a safe and effective primary and secondary modality of treatment for GJ.

3.
Neurol India ; 2005 Mar; 53(1): 110-1
Article de Anglais | IMSEAR | ID: sea-120761

RÉSUMÉ

A 40-year-old male presented with a single generalized tonic-clonic seizure. MRI revealed an enhancing, dural-based, left lateral sphenoid wing lesion suggestive of a meningioma. At microsurgical excision, the lesion was firm and relatively avascular. The histopathological report revealed S-100 positive histiocytic proliferation with lymphophagocytosis (emperipolesis) characteristic of the Rosai-Dorfman disease. The case and its management are discussed.


Sujet(s)
Adulte , Diagnostic différentiel , Histiocytose sinusale cytophagique/anatomopathologie , Humains , Imagerie par résonance magnétique , Mâle , Tumeurs des méninges/anatomopathologie , Méningiome/anatomopathologie , Os sphénoïde
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