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Year : 2011  |  Volume : 59  |  Issue : 1  |  Page : 87--91

Lipomatous meningioma: A study of five cases with brief review of literature

1 Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India
2 Department of Pathology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India

Correspondence Address:
Awadhesh Kumar Jaiswal
Department of Neurosurgery, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Rae Bareli Road, Lucknow - 226 014, UP
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/0028-3886.76876

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Lipomatous meningiomas are an uncommon subtype of meningiomas. In the present report, the clinical characteristics, neuroimaing and pathological features of 5 patients (4 males, 1 female; age range, 17-45 years; mean age, 35.2 years) with lipomatous meningioma were analyzed. The neuro-pathological reevaluation of lipomatous meningioma involved assessment of histological features proposed by the current WHO classification. The presence or absence of high whorls, fascicles, solid growth, glial invasion, necrosis and nuclear pleomorphism was assessed. The most common presenting symptom was seizures. Location of tumor was frontal (3 cases), parietal (1 case) and fronto-temporal (1 case). All cases showed radiological features of conventional meningioma. Complete excision of tumor along with involved dura was performed in all the patients. Three tumors were meningothelial and 2 were transitional. Tumoral lipid content was variable from 10% to 30%. In addition, there were microcystic features (2 cases) and psammoma bodies (1 case). No recurrence was noted in any of our cases till the last follow-up. Lipomatous meningioma represents a rare distinctive type of meningioma, with a good prognosis with complete removal.


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Online since 20th March '04
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