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J Korean Neurol Assoc. 2005 Dec;23(6):814-816. Korean. Case Report.
Chu MK , Min SK , Yu KH , Ma HI , Kim YJ , Kim JY , Yun SH , Kim CH , Lee BC .
Department of Neurology, Hallym University College of Medicine, Anyang, Korea. ssbrain@hallym.ac.kr
Department of Pathology, Hallym University College of Medicine, Anyang, Korea.
Abstract

Microcopic polyangiitis (MPA) is a systemic disorder affecting small vessels. In MPA, the central nervous system involvements have rarely been reported. We experienced a case of MPA with subdural effusion and pachymeningitis in a 50-year-old woman. The diagnosis of MPA was made by the presence of mononeuritis multiplex, hematuria, pachymeningitis, and p-ANCA seropositivity in this patient. Subdural effusion was of exudates and an active suppurative inflammation was observed on the dural biopsy.

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