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August 1966


Arch Dermatol. 1966;94(2):233-236. doi:10.1001/archderm.1966.01600260125021

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Parapsoriasis, Plaque Type. Presented by Craig Williamson, MD.  The patient is a 74-year-old male, married, white accountant.

Present Illness.—  This patient has had a generalized eruption, with minimal itching for 1½ years. This began as a single, red, scaling patch on the right side of the abdomen. New similar patches appeared until the trunk and all extremities were involved.

Family History.—  Not contributory.

Past History.—  Hyperthyroidism (substernal thyroid enlargement) discovered five years ago. At first this was controlled with methimazole (Tapazol) but in February of 1964 a course of iodinated I-131 serum albumin was administered. There has been no previous skin disease.

Physical Examination.—  There is a generalized eruption of mildly erythematous, dry, scaling nonindurated patches involving the trunk and extremities. These vary from 3 to 4 cm to 15 or 20 cm in diameter. Some appear atrophic. Approximately one fourth of the skin surface is involved.

Treatment.—  Partial involution

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