The symptomatic accessory navicular bone.
D000293:Adolescent; D000328:Adult; D003937:Diagnosis, Differential; D005260:Female; D005534:Foot Diseases / Q000175:diagnosis; D050723:Fractures, Bone / Q000175:diagnosis; D006801:Humans; D008297:Male; D011859:Radiography; D013639:Tarsal Bones / Q000002:abnormalities* / Q000000981:diagnostic imaging / Q000601:surgery