Histiocytosis X? Necrobiosis lipoidica.
D003937:Diagnosis, Differential; D004890:Erythema / Q000175:diagnosis*; D005260:Female; D006801:Humans; D008206:Lymphatic Diseases / Q000175:diagnosis*; D008875:Middle Aged; D009335:Necrobiosis Lipoidica / Q000175:diagnosis*; D012867:Skin / Q000473:pathology; D014973:Xanthomatosis / Q000175:diagnosis*