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[Muscle-localized tumorlike polyarteritis nodosa]
1Service de médecine interne et maladies infectieuses, CHU La Cavale Blanche, boulevard Tanguy-Prigent, 29609 Brest, France.
Abstract
Introduction:
Systemic vasculitis presenting as a tumorlike lesion are unusual and affect mainly the uro-genital system and breast. Muscle-localized tumorlike periarteritis nodosa are scarce.
Exegesis:
We report localized tumorlike polyarteritis nodosa affecting the forearm muscles in a 90-year-old woman.
Conclusion:
Other cases of polyarteritis nodosa localized to muscles are reviewed. This limited form has a benign clinical course and responds promptly to treatment with corticosteroids alone but relapses may occur.