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Lipochoristomas of the cerebellopontine angle and internal acoustic meatus: a seven-case review

2013 Mar;155(3):449-54. doi: 10.1007/s00701-012-1607-7. Epub 2013 Jan 11.

Lipochoristomas of the cerebellopontine angle and internal acoustic meatus: a seven-case review.

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Mάρκου Κωνσταντίνος επικ. καθηγητης 'Α ΩΡΛ κλινικης ΑΠΘ Νοσοκ. "ΑΧΕΠΑ" ΘΕΣ/ΝΙΚΗ

Εθν. Αμυνης 40  546 21 ΘΕΣΣΑΛΟΝΙΚΗ

 

kmarkou@med.auth.gr

  6932 721545         2310 926357        2310 229629

Markou KD, Goudakos JK, Bellec O, Liguoro D, Franco-Vidal V, Rattin C, Darrouzet V.

Source

First Department of Otorhinolaryngology-Head and Neck Surgery, ENT Department, AHEPA University Hospital, Aristotle University of Thessaloniki, Thessaloniki, Greece.

Abstract

BACKGROUND:

Intracranial lipomas are extremely rare tumors, with certain clinical and radiological characteristics.

METHODS:

We considered the diagnostic evaluation and treatment options of seven patients presenting with lipoma in the cerebellopontine angle or internal acoustic meatus in our department.

RESULTS:

Mean age was 51, with four out of seven cases being women. Balance disorders (vertigo, dizziness) were the predominant symptoms (in six out of seven patients), followed by hearing loss. The diagnosis of intracranial lipomas was based on the results of imaging studies, especially on magnetic resonance imaging. The management of lipomas of the CPA and of the IAM should initially be conservative, including close follow-up of the patient and evaluation of a potential change in tumor size. Surgical management of CPA lipomas should be reserved for patients with intractable clinical symptoms due to tumor overgrowth.

CONCLUSIONS:

Diagnosis of CPA and IAM lipomas is considered to be a clinical and imaging challenge. As the complete resection of such lipomas is a risky choice and taking into account the benign course of such tumors, the only absolute surgical indication should be uncontrolled tumor growth.


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