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KMID : 0311120020430010132
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Yonsei Medical Journal
2002 Volume.43 No. 1 p.132 ~ p.137
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Two Primary Intracranial Tumors of Different Histology: Report of a Case with a Choroid Plexus Papilloma and a Concurrent Vestibular Schwannoma in the Cerebellopontine Angle
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Kyu Sung Lee/Kyu Sung Lee
Eui Kyo Seo
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Abstract
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A very rare case of multiple primary intracranial tumors is reported. A 41-year-old female patient was referred for surgery with a cerebellopontine angle (CPA) tumor. Medical history and MRI study showed typical findings of a right acoustic neuroma with a hydrocephalus. Neurological, dermatological, and ocular examinations revealed no evidence of neurofibromatosis. During surgery, a red-colored cauliflower like mass was found in the right CPA. The roof of the fourth ventricle could be seen through the lateral recess after removal of the tumor. Another mass, a 1.5-cm sized schwannoma protruding through the right internal auditory meatus, was removed by the transmeatal approach. Although the tumor masses were in contact and compressed against each other, there was a clear demarcation between them. Histological examination confirmed that the first mass was a typical choroid plexus papilloma with fibrovascular core, and that the second was a schwannoma. The patient recovered without any new neurological deficit. Result of a Medline search indicated that this rare combination of multiple primary tumors has not been reported previously.
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KEYWORD
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