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Regular Departments
August 1973

Lamellar Ichthyosis and Psoriasis

Arch Dermatol. 1973;108(2):275-276. doi:10.1001/archderm.1973.01620230067028

To the Editor.—  The following is an unusual presentation of two epidermal disorders in one patient.

Report of a Case  A 21-year-old man with a past history of lamellar ichthyosis was first seen in the University Hospital at San Diego with a three week history of a papulosquamous eruption on the trunk, extremities (including the elbows), and scalp. At the age of 14, the patient recalled having similar lesions of short duration on the upper thighs. There was no family history of ichthyosis or dry skin. A paternal uncle may have had mild psoriasis. No recent medications were taken.Physical examination showed a healthy young man with prominent loose scales over most of the body with sparing of his face (Fig 1). The palms showed a mild thickening of the epidermis. There was no noticeable ectropion. He also had the newly acquired scattered papulosquamous plaques on the trunk, hips, elbows,