Dermacase. Chondrodermatitis nodularis  chronica helicis.
Devani
Alim
A
University of Alberta, Edmonton.
Barankin
Benjamin
B
D001707:Biopsy, Needle; D002357:Cartilage Diseases / Q000175:diagnosis* / Q000473:pathology; D002908:Chronic Disease; D004431:Ear, External; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008875:Middle Aged; D012871:Skin Diseases / Q000175:diagnosis* / Q000473:pathology