Keratosis Follicularis. Presented by Dr. Cannon.
R. L., a white laborer, born in this country, entered the City Hospital on March 29, 1928, complaining of a gradually increasing eruption since August, 1924. He had first noticed a dry, scaly condition on the back of the hand and on the forehead at the edges of the hair, which gradually extended over the entire scalp, causing considerable scaling and slight itching. One year previous to presentation the eruption appeared on the back, followed by similar lesions on the chest, abdomen, axillae and groins. He said that from the beginning the lesions were scaly papules varying in size from that of a pinhead to that of a millet seed. The family history was negative.The patient showed a generalized eruption, most marked on the scalp, forehead, around the neck, along the spine, chest, sides of the abdomen, in the groins and on the