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A motive for the use of a posterior approach in shoulder arthography: ventral leakage of contrast medium

(2014) ACTA RADIOLOGICA. 55(4). p.450-453
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Abstract
Background : Some orthopedic surgeons request a posterior approach for shoulder magnetic resonance (MR) arthrography, especially in patients with anterior shoulder instability, to avoid interpretive difficulties in differentiating anterior extraarticular contrast injection when using an anterior approach from ventral leakage of contrast. Purpose : To determine the occurrence of ventral leakage of contrast in shoulder MR arthrography when using a posterior approach. Material and Methods : Retrospectively, we included 73 consecutive patients who underwent shoulder MR arthrography (1.0 Tesla) using the posterior approach. Three unsuccessful procedures were excluded. Ventral leakage of contrast, defined as contrast seen around the musculus subscapularis without distention of the posterior capsule, was recorded. Descriptive statistics were used. Results : Seventy shoulders were included. Forty-one left shoulders were involved (59%). Mean age of patients was 49 years (range, 17-76 years). Thirty-five patients were women (50%). Ventral leakage of contrast was seen in 12 shoulders (17%). Conclusion : As ventral leakage of contrast was seen in a substantial number of cases when using a posterior approach in shoulder MR arthrography, the use of a posterior approach is advised to avoid misinterpretation of ventral contrast leakage with accidental extra articular contrast injection, and to increase confidence in the final radiological diagnosis.
Keywords
technique, MRI (magnetic resonance imaging), posterior, shoulder, MR ARTHROGRAPHY, GUIDANCE, GLENOHUMERAL JOINT, arthrography

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Chicago
Adriaensen , Miraude EAPM, Oliver T Ertl, Peter-Jan van Laar, Maarten Nix, and Filip Vanhoenacker. 2014. “A Motive for the Use of a Posterior Approach in Shoulder Arthography: Ventral Leakage of Contrast Medium.” Acta Radiologica 55 (4): 450–453.
APA
Adriaensen , M. E., Ertl, O. T., van Laar, P.-J., Nix, M., & Vanhoenacker, F. (2014). A motive for the use of a posterior approach in shoulder arthography: ventral leakage of contrast medium. ACTA RADIOLOGICA, 55(4), 450–453.
Vancouver
1.
Adriaensen ME, Ertl OT, van Laar P-J, Nix M, Vanhoenacker F. A motive for the use of a posterior approach in shoulder arthography: ventral leakage of contrast medium. ACTA RADIOLOGICA. 2014;55(4):450–3.
MLA
Adriaensen , Miraude EAPM, Oliver T Ertl, Peter-Jan van Laar, et al. “A Motive for the Use of a Posterior Approach in Shoulder Arthography: Ventral Leakage of Contrast Medium.” ACTA RADIOLOGICA 55.4 (2014): 450–453. Print.
@article{4212343,
  abstract     = {Background : Some orthopedic surgeons request a posterior approach for shoulder magnetic resonance (MR) arthrography, especially in patients with anterior shoulder instability, to avoid interpretive difficulties in differentiating anterior extraarticular contrast injection when using an anterior approach from ventral leakage of contrast. 
Purpose : To determine the occurrence of ventral leakage of contrast in shoulder MR arthrography when using a posterior approach. 
Material and Methods : Retrospectively, we included 73 consecutive patients who underwent shoulder MR arthrography (1.0 Tesla) using the posterior approach. Three unsuccessful procedures were excluded. Ventral leakage of contrast, defined as contrast seen around the musculus subscapularis without distention of the posterior capsule, was recorded. Descriptive statistics were used. 
Results : Seventy shoulders were included. Forty-one left shoulders were involved (59\%). Mean age of patients was 49 years (range, 17-76 years). Thirty-five patients were women (50\%). Ventral leakage of contrast was seen in 12 shoulders (17\%). 
Conclusion : As ventral leakage of contrast was seen in a substantial number of cases when using a posterior approach in shoulder MR arthrography, the use of a posterior approach is advised to avoid misinterpretation of ventral contrast leakage with accidental extra articular contrast injection, and to increase confidence in the final radiological diagnosis.},
  author       = {Adriaensen , Miraude EAPM and Ertl, Oliver T and van Laar, Peter-Jan and Nix, Maarten and Vanhoenacker, Filip},
  issn         = {0284-1851},
  journal      = {ACTA RADIOLOGICA},
  keyword      = {technique,MRI (magnetic resonance imaging),posterior,shoulder,MR ARTHROGRAPHY,GUIDANCE,GLENOHUMERAL JOINT,arthrography},
  language     = {eng},
  number       = {4},
  pages        = {450--453},
  title        = {A motive for the use of a posterior approach in shoulder arthography: ventral leakage of contrast medium},
  url          = {http://dx.doi.org/10.1177/0284185113496993},
  volume       = {55},
  year         = {2014},
}

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