• Background.—A small percentage of patients with alopecia areata have connective
diseases such as systemic lupus erythematosus, discoid lupus erythematosus, rheumatoid
arthritis, and scleroderma. Lupus erythematosus is associated with a number of different
types of alopecia, but the incidence of alopecia areata in lupus erythematosus has not been
examined. Observations.—Of our cohort of 39 patients with lupus erythematosus, alopecia
areata developed in 10%(four patients), in contrast to 0.42% of general dermatologic …