Pyoderma gangrenosum associated with systemic lupus erythematosus: a report of three cases and review of the literature

A variety of systemic diseases may be found in association with pyoderma gangrenosum [PG]. Association of PG with systemic lupus erythematosus [SLE] is rare. To our knowledge, only four cases have been reported. In this study three more patients with SLE who have developed PG are presented. The association of pyoderma gangrenosum with SLE is reviewed and some aspects of clinical and histological findings in SLE and non SLE-associated PG are discussed