To the Editor.—
We encountered a patient with chronic renal failure undergoing hemodialysis, with recurrent crops of erythematous papules over his extremities of three years' duration. Histologic findings included a localized neutrophilic hidradenitis. The growth of Serratia from the culture of a skin lesion indicated an infectious cause of this dermatosis.
Report of a Case.—
A 48-year-old man was seen in the Department of Dermatology at the Hospital de Sant Pau, Barcelona, Spain, with an erythematous papular eruption. In 1975, chronic glomerulonephritis with renal insufficiency had been diagnosed; the patient has been undergoing hemodialysis ever since. In 1982, a renal transplant failed. Cutaneous lesions appeared on the upper and lower extremities in April 1981. The erythematous papules were about 6 mm in diameter and ranged from two to 15 in number. Mild pruritus was also present. The lesions resolved spontaneously within three months but recurred every year. When the patient