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Comments, Opinions, and Brief Case Reports
April 9, 2001

Polyarteritis Nodosa Presenting as an Acute Bilateral Epididymitis

Arch Intern Med. 2001;161(7):1008. doi:

Polyarteritis nodosa (PAN) is a necrotizing vasculitis of small and amedium-sized muscular arteries without glomerulonephritis or vasculitis in arterioles, capillaries, or venules.1 It is a rare disease, with an estimated incidence of 6 per 100 000 habitants. Clinical presentation of PAN is often nonspecific. Presenting symptoms are usually weight loss (16%-66 %), fever (36%-65 %), and myalgias (30%-73 %).2 Patients may also present with clinical symptoms related to vascular involvement of a particular organ, such as multifocal mononeuropathy multiplex or nephropathy. We report a case of PAN with epididymitis as presenting symptom.

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