title: An extra-articular cause of locking knee.
abstract: We report an uncommon case of locking of the knee in a 23-year-old girl. It was due to an osteochondroma at the medial aspect of the proximal tibia.
authors.affiliation: Clinica Ortopedica, Ospedale San Raffaele, Milano, Italy.
authors.forename: V
authors.initials: V
authors.lastname: Sansone
authors.forename: A
authors.initials: A
authors.lastname: De Ponti
authors.forename: F
authors.initials: F
authors.lastname: Ravasi
mesh_terms: D000328:Adult; D001182:Arthroscopy; D001706:Biopsy; D001859:Bone Neoplasms / Q000150:complications* / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D005260:Female; D006801:Humans; D007593:Joint Instability / Q000209:etiology*; D007719:Knee Joint; D015831:Osteochondroma / Q000150:complications* / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D011859:Radiography; D016059:Range of Motion, Articular; D013710:Tendons; D013977:Tibia