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Departments of Pathology (Drs. Turi and Solitare) and Medicine (Dr. James), Winthrop-University Hospital, Mineola, NY; and the State University of New York (R. Dicker), Stony Brook, NY.
Histopathologic study of skeletal muscle biopsy in a patient with eosinophilia-myalgia syndrome following l-tryptophan use showed prominent lymphocytic perineuritis, neuritis, and perimysial fasciitis. The presence of perineuritis and neuritis provides a histopathologic basis for clinical features of neuropathy in eosinophilia-myalgia syndrome and occurred in conjunction with a fasciitis or interstitial myositis that was predominently perimysial and focally endomysial.
Address correspondence and reprint requests to Dr. Gilbert B. Solitare, Department of Pathology, Winthrop-University Hospital, Mineola, NY 11501.
Received January 22, 1990. Accepted for publication in final form April 17, 1990.
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