A Stener lesion is seen in the context of a torn ulnar collateral ligament of the thumb's metacarpophalyngeal joint (gamekeeper's thumb).
It is characterised by dislocation of the torn end of the ligament dorsally above the adductor aponeurosis / adductor pollicis muscle such that it is separated from the joint. This prevents healing and is an indication for surgical repair.
Full evaluation requires abduction stress views and an increase of more than 30° in the angle between the 1st metacarpal and proximal phalanx indicates subluxation.
History and etymology
It was first described by B Stener in 1962 3-4.
- 1. O'Callaghan B I, G Kohut and H M Hoogewoud. “Gamekeeper thumb: identification of the Stener lesion with US..” Radiology 192, no. 2 (1994): 477-480. doi:VL - 192.
- 2. Hinke DH, SJ Erickson, L Chamoy and ME Timins. “Ulnar collateral ligament of the thumb: MR findings in cadavers, volunteers, and patients with ligamentous injury (gamekeeper's thumb).” Am. J. Roentgenol. 163, no. 6 (December 1, 1994): 1431-1434. [Link].
- 3. Lee Patrick, Tim B. Hunter and Mihra Taljanovic. “Musculoskeletal Colloquialisms: How Did We Come Up with These Names?1.” Radiographics 24, no. 4 (July 2004): 1009-1027. doi:10.1148/rg.244045015.
- 4. Stener B. "Displacement of the ruptured ulnar collateral ligament of the metacarpo-phalangeal joint of the thumb: a clinical and anatomic study." J Bone Joint Surg Br 1962; 44: 869-879
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