Aneurysmal bone cyst of the fourth metacarpal bone.
D000293:Adolescent; D001845:Bone Cysts / Q000601:surgery*; D001859:Bone Neoplasms / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D005870:Giant Cell Tumors / Q000175:diagnosis; D006801:Humans; D008663:Metacarpus / Q000601:surgery*