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Journal of Korean Neurosurgical Society 1997;26(1): 130-135.
Malignant(papillary) Meningioma of the Petrous Bone Extending to Cerebellopontine Angle and Infratemporal Fossa: Case Report.
Yong Seog Kim, Young Soo Kim, Koang Hum Bak, Hyung Shik Shin, Jae Min Kim, Yong Ko, Seong Hoon Oh, Suck Jun Oh, Nam Kyu Kim, Kwang Myung Kim, Eun Kyung Hong
1Department of Neurosurgery, Hanyang University, School of Medicine, Seoul, Korea.
2Department of Pathology, Hanyang University, School of Medicine, Seoul, Korea.
ABSTRACT
The authors present a case of malignant papillary meningioma of the petrous bone involving the whole petrous bone which extended to the left cerebellopontine angle and internal jugular vein extracranially. A 46-year-old male patient was presented with a 3-years history of the left otalgia and subsequent deafness with left facial nerve palsy. Neurological examination revealed a complete palsy of the left eighth nerve, and incomplete palsies of the left 7th, 9th, 11th, and 12th cranial nerves. Magnetic resonance imaging and computerized tomographic scan demonstrate a huge mass in cerebellopontine angle which involved the whole petrous bone, suboccipital bone and internal jugular vein. The tumor was totally resected using the transjugular approach with modified petrous bone resection. Neuropathologic examination revealed a papillary meningioma.
Key Words: Papillary meningioma; Malignant meningioma; Petrous bone; CP angle; Cerebral neoplasm
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