Quadrigeminal cistern lipoma

Intracranial lipomas are rare benign congenital neoplasms accounting for 0.1 to 0.5% of all primary brain tumours. Approximately 50% are associated with other cerebral developmental disorders. These slow growing benign lesions are usually asymptomatic and rarely require surgery. We report the case o...

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Bibliographic Details
Published in:Journal of clinical neuroscience 2005-06, Vol.12 (5), p.596-599
Main Authors: Yilmazlar, Selcuk, Kocaeli, Hasan, Aksoy, Kaya
Format: Article
Language:English
Subjects:
Adult
akinetic mutism
Akinetic Mutism - etiology
Akinetic Mutism - physiopathology
Brain - diagnostic imaging
Brain - pathology
Brain - physiopathology
Brain Neoplasms - diagnosis
Brain Neoplasms - physiopathology
Cerebellum - diagnostic imaging
Cerebellum - pathology
Corpus Callosum - diagnostic imaging
Corpus Callosum - pathology
Decompression, Surgical
endoscopic surgery
Endoscopy
Female
Headache - etiology
Headache - physiopathology
Humans
Intracranial Hypertension - etiology
Intracranial Hypertension - physiopathology
lipoma
Lipoma - diagnosis
Lipoma - physiopathology
Magnetic Resonance Imaging
Neurosurgical Procedures
quadrigeminal cistern
Subarachnoid Space - diagnostic imaging
Subarachnoid Space - pathology
Subarachnoid Space - physiopathology
Tectum Mesencephali - diagnostic imaging
Tectum Mesencephali - pathology
Tomography, X-Ray Computed
Treatment Outcome
Vomiting - etiology
Vomiting - physiopathology
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Description
Summary:Intracranial lipomas are rare benign congenital neoplasms accounting for 0.1 to 0.5% of all primary brain tumours. Approximately 50% are associated with other cerebral developmental disorders. These slow growing benign lesions are usually asymptomatic and rarely require surgery. We report the case of a 37 year old woman presented with signs of raised intracranial pressure. Computerized tomography and magnetic resonance imaging demonstrated a quadrigeminal cistern lipoma compressing the aqueduct of Sylvius. The patient underwent surgery and a distinct plane of cleavage between the lipoma and the adjacent neural structures was found, allowing total removal of the lesion. Postoperatively, the patient was relieved of her original symptoms but developed akinetic mutism which lasted for two weeks. Intracranial lipomas rarely become symptomatic and surgery is seldom required. If the lesion progresses and causes symptoms of raised intracranial pressure or compression of neural structures, surgical intervention is indicated. Total removal should not be attempted unless a plain of cleavage between the lesion and adjacent neural structures is present. Surgical manipulation should be minimised to avoid complications.
ISSN:0967-5868
1532-2653
DOI:10.1016/j.jocn.2004.08.015