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Intracranial lipomas--a clinical study.

Nebi Yilmaz¹, Ozkan Unal, Nejmi Kiymaz

¹Department of Neurosurgery, School of Medicine, Yuzuncu Yil Universitesi Tip Fakultesi Arastirma Hastanesi Nöroşirürji Kliniği, 65200 Van, Turkey. yilmaznebi@yahoo.com

Clinical Neurology and Neurosurgery

|May 17, 2005

Summary

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Intracranial lipomas are most common in the quadrigeminal cistern, not the pericallosal region. These brain tumors are often asymptomatic and rarely accompanied by other lesions.

Area of Science:

Neurology
Radiology
Neurosurgery

Background:

Intracranial lipomas are rare congenital tumors.
Their typical location is the pericallosal region.
Associated pathologies are often expected.

Purpose of the Study:

To determine the common locations of intracranial lipomas.
To identify associated intracranial and extracranial lesions.
To correlate neurological findings with lipoma presence.

Main Methods:

Retrospective analysis of 14 patients with intracranial lipomas.
Evaluation of presenting symptoms, neurological findings, and comorbidities.
Imaging using computed tomography (CT) and magnetic resonance imaging (MRI) for localization.

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Main Results:

Headache (50%) was the most common admission symptom, followed by trauma and epilepsy.
The quadrigeminal cistern was the most frequent lipoma location, differing from previous reports.
Associated intracranial and extracranial lesions were infrequent.

Conclusions:

Intracranial lipomas are most prevalent in the quadrigeminal region.
Most intracranial lipomas are asymptomatic and incidentally discovered.
Associated pathologies are less common than anticipated.