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August 1982

Cholesterol Granuloma of the Cerebellopontine Angle

Author Affiliations

From the Otologic Medical Group, Inc (Drs House and Brackmann), the House Ear Institute (Dr Brackmann), and the Department of Otolaryngology, University of Southern California School of Medicine (Dr Brackmann), Los Angeles.

Arch Otolaryngol. 1982;108(8):504-506. doi:10.1001/archotol.1982.00790560042012

• Two unusual cases of cholesterol granuloma of the temporal bone manifested as cerebellopontine angle tumors. To our knowledge, cerebellopontine angle extension of this lesion has not previously been reported. Obstruction of ventilation and drainage of any air complex in the temporal bone may produce cholesterol granuloma. Asymptomatic involvement of the mastoid air cell system is common in chronic otitis media. Surgical management of cholesterol granuloma with cerebellopontine angle extension is recommended. Total excision of the lesion is preferred; marsupialization into the mastoid air cell system is an alternative if excision would produce a major neurologic deficit.

(Arch Otolaryngol 1982;108:504-506)