† A patient is described in whom cutaneous lesions were the initial manifestation of hairy-cell leukemia. Touch preparations made immediately on removal of a 3-mm punch biopsy specimen of the cutaneous lesions revealed acid-phosphatase positive, tartrate-resistant staining in the leukemic cells, and helped to establish the diagnosis. Specific eruptions occur in approximately 7% of patients with hairy-cell leukemia, appearing grossly as disseminated, erythematous maculopapules, with a perivascular mononuclear leukemic cell infiltrate seen microscopically. A review of the English literature indicates that cutaneous manifestations are not generally recognized as a diagnostic source in individuals with hairy-cell leukemia, and biopsy is seldom undertaken.
(Arch Dermatol 1983;119:322-325)
Lawrence DM, Sun NCJ, Mena R, Moss R. Cutaneous Lesions in Hairy-Cell Leukemia: Case Report and Review of the Literature. Arch Dermatol. 1983;119(4):322–325. doi:https://doi.org/10.1001/archderm.1983.01650280050015
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