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Picture of the Month

Philip R. Cohen, MD; Murray Feingold, MD
Am J Dis Child. 1988;142(7):785-786. doi:10.1001/archpedi.1988.02150070099036.
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The statements listed below are best associated with which of the above figures:

  • (a) This condition is usually self-limited, and its cause is unknown.

  • (b) Lesions are often nonpruritic and are located on the genitalia, most commonly on the penis, in this chronic dermatosis.

  • (c) Renal involvement occurs infrequently, and the disease is usually not severe.

Denouement and Discussion  (a) Pityriasis rosea is an idiopathic, common, self-limited, inflammatory papulosquamous dermatosis. It occurs most commonly in females between the ages of 10 and 35 years during the fall, winter, and spring months. Approximately seven to 14 days after the onset of a "herald patch," a generalized eruption of similar lesions appears, usually with their long axis along the skin tension lines in a fir or Christmas tree distribution (Fig 2). Characteristically, the lesions are located from the neck to the thighs, remain for six weeks to two months, and resolve


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The American Medical Association is accredited by the Accreditation Council for Continuing Medical Education to provide continuing medical education for physicians. The AMA designates this journal-based CME activity for a maximum of 1 AMA PRA Category 1 CreditTM per course. Physicians should claim only the credit commensurate with the extent of their participation in the activity. Physicians who complete the CME course and score at least 80% correct on the quiz are eligible for AMA PRA Category 1 CreditTM.
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