Pseudoatrophoderma Colli. Presented by DR. MAXIMILIAN E. OBERMAYER and (by invitation) Dr. S. WILLIAM BECKER.
Mrs. H. H., aged 45, of English-American stock, has had an asymptomatic scaling eruption of the neck, back, chest, arms, and mons veneris for 14 years, which varies in intensity but never completely disappears. It consists of partly diffuse, partly discrete lesions of wrinkled, atrophic appearance and whitish, at times buff, shade whose surfaces look glossy when viewed from certain angles.
The patient had dyshidrosis of the hands and feet in 1954. Fungi could not be demonstrated on wet mounts or cultures. She also had urticaria from hypersensitivity to penicillin during that same year.
Serologic test for syphilis was negative.
Biopsy of skin above sternum showed a thinned epidermis with a fluffy, somewhat parakeratotic corneal layer, atrophy of some cells of the rete, and a dermis containing a minimal lymphocytic infiltrate in its
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