J Korean Rheum Assoc.
2000 Jun;7(2):163-167.
A Case of Microscopic Polyangiitis with Peripheral Neuropathy
- Affiliations
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- 1Department of Internal Medicine, College of Medicine, Hanyang University, Seoul, Korea.
Abstract
- Microscopic polyangiitis (MPA) is a systemic necrotizing vasculitis of small-sized vessels (capillary, venule, or arterioles) whose clinical manifestations are very similar to those of PAN (polyarteritis nodosa), but it is characterized by the presence of rapidly progressive glomerulonephritis (RPGN), which is nearly constant, and pulmonary involvement usually absent in PAN. Peripheral neuropathy occurs in only 14~36% of the patients with MPA, distinctly less frequent than in those with classic PAN. While PAN may be considered a self-limiting disease which tend not to recur once remission is acquired, relapse occurs frequently in MPA. Prognosis has been transformed by corticosteroids and immunosuppressive drugs, especially cyclophosphamide. We reported a 72-year-old woman with subacute sensorimotor polyneuropathy involving peroneal and sural nerve accompanied by focal segmental glomerulonephritis which was proven by renal biopsy.
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