J Korean Orthop Assoc.  2018 Dec;53(6):547-551. 10.4055/jkoa.2018.53.6.547.

Stener-Like Lesions in the Metacarpophalangeal Joint of the Fingers

Affiliations
  • 1Department of Orthopedic Surgery, Inje University Sanggye Paik Hospital, Seoul, Korea.
  • 2Department of Radiology, Inje University Sanggye Paik Hospital, Seoul, Korea.
  • 3Department of Orthopaedic Surgery, National Medical Center, Seoul, Korea. mdjsh@nmc.or.kr

Abstract

Three Stener-like lesions of the metacarpophalangeal joint of the fingers and a rupture of the first dorsal interosseous muscle mimicking the lesion in the index finger were observed. Two cases in the little fingers had a true Stener's lesion. In one case in the index finger, the ruptured ligament was retracted and located under the intact sagittal band, which was also observed by preoperative magnetic resonance imaging (MRI). Rupture of the first dorsal interosseous muscle was misdiagnosed preoperatively as a Stener's lesion in the index finger by ultrasonography. MRI should be an essential differential diagnostic exam for collateral ligament ruptures of the metacarpophalangeal joint of the fingers.

Keyword

finger metacarpophalangeal joint; radial collateral ligament rupture; interosseous muscle rupture; Stener's lesion; magnetic resonance imaging

MeSH Terms

Collateral Ligaments
Fingers*
Ligaments
Magnetic Resonance Imaging
Metacarpophalangeal Joint*
Rupture
Ultrasonography
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