title: Normal and abnormal arthroscopic anatomy of the ankle joint.
abstract: Normal and abnormal intraarticular anatomy of the ankle is presented from an arthroscopist's perspective. Pathologic anatomy including synovitis, transchondral fracture, impingement lesions, osteochondral bodies, and erosions are described. A classification of chondromalacia and current concepts of its pathogenesis are presented.
mesh_terms: D016512:Ankle Injuries; D000843:Ankle Joint / Q000033:anatomy & histology / Q000473:pathology*; D001182:Arthroscopy; D002357:Cartilage Diseases / Q000473:pathology; D050723:Fractures, Bone / Q000473:pathology; D006801:Humans; D007592:Joint Diseases / Q000473:pathology