Advertisement

Skeletal Radiology

, Volume 37, Issue 1, pp 63–65 | Cite as

Irreducible anterior dislocation of the shoulder due to soft tissue interposition of subscapularis tendon

  • Sylvia ConnollyEmail author
  • David Ritchie
  • Christos Sinopidis
  • Peter Brownson
  • Hifz Aniq
Case Report

Abstract

The shoulder joint is the most unstable joint in the body and is easily dislocated. Anterior shoulder dislocation is the commonest and can be associated with glenoid and humeral fractures. Anterior shoulder dislocations are not infrequently associated with cuff tendon tears; however, anterior shoulder dislocation is easily reducible. Irreducible anterior dislocation of the glenohumeral joint is uncommon, and this could be due to bony as well as soft tissue causes. Persistent anterior dislocation due to torn subscapularis interposition in the glenohumeral joint is very rare, and only a few operative cases have been reported in the literature. We present MR features of one such case and a literature review.

Keywords

Dislocation Subscapularis Irreducible 

References

  1. 1.
    Ilahi OA. Irreducible anterior shoulder dislocation with fracture of the greater tuberosity. Am J Orthop 1998; 27(8): 576–578.PubMedGoogle Scholar
  2. 2.
    Tiejtan R. Occult glenohumeral interposition of a torn rotator cuff. J Bone Joint Surg Am 1982; 64: 458–459.Google Scholar
  3. 3.
    Oni OO. Irreducible acute anterior dislocation of the shoulder due to a loose fragment from an associated fracture of the greater tuberosity. Injury 1983; 15(2): 138.PubMedCrossRefGoogle Scholar
  4. 4.
    Guha AR, Jago ER. Irreducible acute anterior shoulder dislocation. Int J Clin Pract 2004; 58(12): 1184–1186.PubMedCrossRefGoogle Scholar
  5. 5.
    Davies MB, Rajasekhar C, Bhamra MS. Irreducible anterior shoulder dislocation: the greater tuberosity Hill-Sachs lesion. Injury 2000; 31(6): 470–471.PubMedCrossRefGoogle Scholar
  6. 6.
    Mihata T, Doi M, Abe M. Irreducible acute anterior dislocation of the shoulder caused by interposed fragment of the anterior glenoid rim. J Orthop Sci 2000; 5(4): 404–406.PubMedGoogle Scholar
  7. 7.
    Seradge H, Orme G. Acute irreducible anterior dislocation of the shoulder. J Trauma 1982; 22(4): 330–332.PubMedCrossRefGoogle Scholar
  8. 8.
    Inao S, Hirayama T, Takemitsu Y. Irreducible acute anterior dislocation of the shoulder: interposed bicipital tendon. J Bone Joint Surg Br 1990; 72(6): 1079–1080.PubMedGoogle Scholar
  9. 9.
    Strobel T. Posterior entrapment of the long biceps tendon after traumatic shoulder dislocation. Findings on MR imaging. AJR Am J Roentgenol 2002; 178: 238–239.PubMedGoogle Scholar
  10. 10.
    Tirman PFJ, Steinbach LS, Feller JF, Stauffer AE. Humeral avulsion of anterior stabilizing structures after anterior dislocation: demonstration by MR and MR arthrography. Skeletal Radiol 1996; 25: 743–748.Google Scholar
  11. 11.
    Neviaser RJ, Neviaser TJ, Neviaser JS. Concurrent rupture of the rotator cuff and anterior dislocation of the shoulder in the older patient. J Bone and Joint Surg Am 1988; 70: 1308–1311.Google Scholar
  12. 12.
    Bridle SH, Ferris BD. Irreducible acute anterior dislocation of the shoulder: interposed subscapularis. J Bone Joint Surg Br 1990; 72: 1078–1079.Google Scholar
  13. 13.
    Strobel K, Hodler J, Meyer DC, Pfirrmann CWA, Pirkl C, Zanetti M. Fatty atrophy of supraspinatus and infraspinatus muscles: accuracy of US and MR. Radiology 2005; 237: 584–589.Google Scholar
  14. 14.
    Allard JC, Bancroft J. Irreducible posterior dislocation of the shoulder: MR and CT findings. J Comput Assist Tomogr 1991; 15(4): 694–696.PubMedCrossRefGoogle Scholar

Copyright information

© ISS 2007

Authors and Affiliations

  • Sylvia Connolly
    • 1
    Email author
  • David Ritchie
    • 1
  • Christos Sinopidis
    • 2
  • Peter Brownson
    • 2
  • Hifz Aniq
    • 1
  1. 1.Radiology DepartmentRoyal Liverpool HospitalLiverpoolUK
  2. 2.Department of OrthopaedicsRoyal Liverpool HospitalLiverpoolUK

Personalised recommendations