THE NEW YORK DERMATOLOGICAL SOCIETY

MYCOSIS FUNGOIDES. PRESENTED BY DR. WISE. L. S., a single woman, aged 44, a clerk, presented an eruption which had begun as an erythematous pruritic plaque on the lower part of the back two years before presentation. Shortly after, similar red and violaceous, somewhat elevated patches appeared on both thighs from the groins to the knees. More recently, a group of irregular, somewhat firm, flat, discoid lesions developed on the inner aspect of the left upper arm.The eruption consisted of numerous erythematous plaques of irregular outline from 1 to 8 inches (2.5 to 20.32 cm.) in diameter. They were located chiefly on the anterior, outer and inner aspects of the thighs, with scattered lesions on the groins and upper arms, and on both hips. The lesions were elevated, sharply defined and slightly scaly; the color varied from pink to violaceous. In some of the lesions on the thighs, infiltration