Elastofibroma dorsi: report of two cases and literature review.

Two cases of elastofibroma dorsi are added to the 125 non-Asian cases reported in the last 31 years. Rapid growth followed by spontaneous total regression is reported for the first time. Confirmation of these observations by others and tissue confirmation are encouraged. Physician awareness of elastofibromas may reveal a higher incidence of occurrence and help avoid unnecessarily radical surgery. A comprehensive review of the literature discloses several current misconceptions.