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An Unusual Cause of Pseudotumor and Eosinophilia

Bharat L. Agrawal, MD; Philip C. Giesen, MD

JAMA. 1981;246(1):70-71.

	Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

THIS report describes an unusual case of pseudotumor of muscle that was caused by localized eosinophilic myositis associated with bone marrow and peripheral blood eosinophilia. We briefly discuss the relationship of this case to other reported cases of focal myositis, to the socalled hypereosinophilic syndrome, and to the more common localized myositis in animals.

Report of a Case

A 14-year-old boy was seen in April 1979 because of a painless swelling over the middle part of the neck on the left side; this swelling developed during a period of two weeks. Otherwise, the results of physical examination were completely normal. There was no history of muscle weakness, myalgia, fever, weight loss, rash, arthralgia, or recent infection. There was no history of familial muscle disease. He denied eating uncooked or undercooked meat. The following tests yielded either normal or negative results: chest x-ray film, quantitative serum immunoglobulins, immunoelectrophoresis, antinuclear antibodies, serum . . . [Full Text PDF of this Article]

Author Affiliations
From the Midwest Oncology Center (Dr Agrawal) and the Department of Pathology (Dr Giesen), Borgess Hospital, Kalamazoo, Mich.

Footnotes
Reprint requests to Midwest Oncology Center, Stryker Center, Third Floor, 1521 Gull Rd, Kalamazoo, MI 49001 (Dr Agrawal).

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