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Article
September 1993

A Cutaneous Lesion Associated With Primary Polymyositis

Author Affiliations

Department of Internal Medicine; Department of Dermatology; Department of Pathology; Department of Internal Medicine; Department of Dermatology University Clinic of Navarra School of Medicine 31080 Pamplona, Spain

Arch Dermatol. 1993;129(9):1207-1208. doi:10.1001/archderm.1993.01680300137030
Abstract

Polymyositis is a nonsuppurating inflammatory disease of the striated muscle characterized clinically by the presence of proximal muscular weakness that is sometimes associated with pain.1 This disease falls within a broader category known as idiopathic inflammatory myopathy, which includes the forms of myositis that are secondary to connective tissue disease and neoplasms and myositis with inclusion bodies.2 Polymyositis is differentiated from dermatomyositis by the absence of the characteristic cutaneous lesions.1

Stahl et al3 reported the presence of hyperkeratosis of the fleshy pad and the lateral aspect of the fingers to be a marker for idiopathic inflammatory myositis.

We describe a woman with primary polymyositis associated with hyperkeratosis of the fingers of both hands.

Report of a Case.  A 55-year-old housewife presented in August 1991 with arthromyalgia, predominantly in the-upper limbs, affecting the shoulders, wrists, and metacarpophalangeal and proximal interphalangeal joints of both hands. She also complained

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