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Article
July 1974

Postacne Osteoma CutisX-ray Diffraction Analysis

Author Affiliations

Ann Arbor, Mich

From the Department of Dermatology, University of Michigan Medical Center (Drs. Basler and Taylor) and the Department of Geology and Mineralogy, University of Michigan (Dr. Peacor), Ann Arbor.

Arch Dermatol. 1974;110(1):113-114. doi:10.1001/archderm.1974.01630070077022
Abstract

Osteoma cutis may occur in numerous skin disorders including long-standing acne. An unusual type of postacne osteoma cutis presents with small pigmented nodules in the area of involvement. X-ray diffraction analysis was carried out on an osteoma surgically removed from a patient with moderately severe long-standing acne. The analysis results confirmed that the crystalline component of the specimen is hydroxyapatite, a primary constituent of true bone.

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