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.
de Vries M, van der Horst I, van der Kleij F, Gans R. Polyarteritis Nodosa Presenting as an Acute Bilateral Epididymitis. Arch Intern Med. 2001;161(7):1008. doi: