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September 1957


AMA Arch Derm. 1957;76(3):374-375. doi:10.1001/archderm.1957.01550210100022

Case for Diagnosis: Pityriasis Rubra Pilaris. Presented by Dr. Norman E. Levan.

The history is that of a 65-year-old white farm laborer whose dermatologic problem began about 18 months ago. The temples were the first areas involved, with gradual spread during the following months.

Examination shows a scaling, seborrheiform involvement of the face and scalp. The palms and soles are covered with a fissured erythematous hyperkeratosis, extending onto the dorsa of the hands and feet, where the hyperkeratosis is less pronounced. Large areas of the trunk and extremities show yellowish-red, thickened, slightly scaly plaques, composed of coalescent papules. The individual papules are best seen at the margins of these plaques. These papules are round, slightly domed, quite regular in size, and shape, measuring about 1 to 1.5 mm. in diameter, and frequently perifollicular in location.

Since Dec. 26, 1956, the patient has been using a bland emolient topically

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