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Rinsho Shinkeigaku. 1989 Oct;29(10):1283-6.

[Acute acquired toxoplasmosis presenting as polymyositis and chorioretinitis in a Japanese male].

[Article in Japanese]


A 55-year-old Japanese male who developed acute polymyositis and chorioretinitis due to toxoplasmosis is described. The patients was well until one month prior to the present admission, when he had an onset of painful swelling of lymphnodes in the posterior cervical region, proximal muscle weakness, myalgia and a partial defect in the visual field of the right eye. He admitted that he had had a chance to eat half-cooked mutton while he had visited Saudi Arabia 40 days before. He was unable to go up and down the stairs at the peak of the illness. Serum CPK was 2050 u/l (N = 5-50) on January 11, 1989. These symptoms improved spontaneously except for the visual field defect. He was admitted to our hospital on January 31, 1989. On admission, neurological examination was unremarkable except for retinal exudate in the right eye which appeared consistent with the clinical diagnosis of toxoplasma chorioretinitis. Serum CPK was 103 u/l, and EMG showed myogenic changes. The IgM-immunofluorescent (IFA) anti-Toxoplasma gondii antibody titer was elevated to 640, and IgG-immunofluorescent antibody to 20480 after IgM-IFA. These clinical and serological findings indicate acute and recent Toxoplasma gondii infection. It appeared likely that Toxoplasma gondii directly caused acute myositis and chorioretinitis. Clinical manifestations of toxoplasma myositis may mimic those of idiopathic polymyositis, however, the clinical course of the former is usually self-limited probably because of generation of antibodies which will inhibit the growth of the organism.(ABSTRACT TRUNCATED AT 250 WORDS).

[Indexed for MEDLINE]

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