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Extensive Multiple Epitheliomas Resembling Psoriasis. Presented by Dr. Pfahler.
Mr. B. S., aged 57, was referred with the diagnosis of psoriasis of eight years' duration. Four years before examination, he received roentgen-ray treatment over the hands and the posterior left axilla. He developed a radio dermatitis over both hands and the left axilla, and in addition had a radiation ulcer in the axilla. Electrocoagulation was followed by skin grafting in the axilla. At presentation there was an epithelioma growing over the second joint of the left ring finger, and the whole outer side of the second phalanx was diseased. The epithelioma was elevated about 1.5 cm. and was approximately 1.5 cm. in diameter. An epithelioma about 3 cm. in diameter was seen at the edge of the scar in the posterior left axilla, and many epitheliomas were scattered over the body. These varied in size from 1 to 5 cm.