A Stener lesion is seen in the context of a torn ulnar collateral ligament of the thumb's metacarpophalangeal joint (gamekeeper's thumb).
Normally, the ulnar collateral ligament lies deep to the adductor pollicis tendon. A Stener lesion is characterized by slippage of the torn end of the ulnar collateral ligament superficial to the adductor aponeurosis / adductor pollicis muscle such that now there is interposition of the adductor pollicis muscle between the ulnar collateral ligament and the MCP joint. This prevents healing and is an indication for surgical repair.
- evaluation for a Stener lesion requires MRI or high frequency ultrasound
- these studies are usually performed after a diagnosis of gamekeeper's thumb has been made on a hand radiograph
- abduction stress views are no longer recommended as this itself can cause a Stener lesion in an otherwise asymptomatic patient
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
Synonyms & Alternative Spellings
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