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Endoscopic-Assisted Infralabyrinthine Approach to Petrous Apex Cholesterol Granuloma
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A cholesterol granuloma is the most common primary lesion of the petrous apex, and accountsfor 40% of the pathologies that arise in this region. The primary treatment for symptomatic lesionsis by surgery to decompress and drain or to completely remove the lesion. Here we describethe use of infralabyrinthine approach to access a lesion through the temporal bone andcompletely remove it with the assistance of a 0-degree endoscope. A 43-year-old man visitedour clinic for diplopia. Magnetic resonance imaging revealed a 2.3-cm cholesterol granulomalocated in the left petrous apex that caused deviation of the left abducens nerve. The tumor wascompletely removed using the endoscopic-assisted infralabyrinthine approach; the patient iscurrently being followed up, and there is no evidence of disease recurrence. This case report describesthe successful completion of a petrous apex cholesterol granuloma that preserved thecochlear and vestibular systems.
Abstract
A cholesterol granuloma is the most common primary lesion of the petrous apex, and accountsfor 40% of the pathologies that arise in this region. The primary treatment for symptomatic lesionsis by surgery to decompress and drain or to completely remove the lesion. Here we describethe use of infralabyrinthine approach to access a lesion through the temporal bone andcompletely remove it with the assistance of a 0-degree endoscope. A 43-year-old man visitedour clinic for diplopia. Magnetic resonance imaging revealed a 2.3-cm cholesterol granulomalocated in the left petrous apex that caused deviation of the left abducens nerve. The tumor wascompletely removed using the endoscopic-assisted infralabyrinthine approach; the patient iscurrently being followed up, and there is no evidence of disease recurrence. This case report describesthe successful completion of a petrous apex cholesterol granuloma that preserved thecochlear and vestibular systems.
참고문헌 (15)
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