Posterolateral rotatory instability of the elbow with insufficient coronoid process of the ulna: a report of 3 patients

• Published in: The Journal of hand surgery (American ed.) Vol. 32; no. 2; p. 236
• Main Authors: Okazaki, Masato, Takayama, Shinichiro, Seki, Atsuhito, Ikegami, Hiroyasu, Nakamura, Toshiyasu
• Format: Journal Article
• Language: English
• Published: United States 01.02.2007
• Subjects: Adult; Bone Wires; Collateral Ligaments - physiopathology; Collateral Ligaments - surgery; Elbow Joint - physiopathology; Elbow Joint - surgery; Fractures, Ununited - physiopathology; Fractures, Ununited - surgery; Humans; Humerus - transplantation; Ilium - transplantation; Joint Instability - physiopathology; Joint Instability - surgery; Male; Rotation; Treatment Outcome; Ulna - physiopathology; Ulna - surgery; Ulna Fractures - physiopathology; Ulna Fractures - surgery

Congruity of the ulnohumeral joint, especially its anterior portion, is an important stabilizer of the elbow joint. We report on 3 patients in whom the insufficiency of the coronoid process, such as nonunion or a flattened trochlear notch, was associated with posterolateral rotatory instability of t...