Subacute cutaneous lupus associated with Hashimoto's thyroiditis.

Subacute cutaneous lupus erythematosus is a widespread, non-scarring, photosensitive form of histologically specific cutaneous LE. These patients frequently have mild systemic illness marked by musculoskeletal complaints and characteristic serologic abnormalities. Hashimoto's thyroiditis coexists with other diseases of presumed autoimmune nature, including systemic lupus erythematosus. The association between subacute lupus and Hashimoto's disease has not been described. We describe here a patient with Hashimoto's thyroiditis and Sjögren's syndrome who developed subacute cutaneous lupus two years later.