Lipoatrophic lesions preceded by pain and erythema - a new clinical entity?

A 46-year-old female patient presented with deeply depressed lesions on the abdominal wall after slight pain and erythema, without a history of trauma or injection. No general symptoms were noted. There was a marked decrease of subcutaneous fatty tissue with minimal inflammatory cell infiltration. We found three similar cases in the literature. Differential diagnoses were performed, but our case and the other three cases do not fit any of the heretofore described lipoatrophic diseases, and might be a new clinical entity.