Pseudo-SLAP lesion
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Title
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Pseudo-SLAP lesion
Body
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IntroductionPseudo-SLAP lesions represent a normal anatomic variant of the glenoid labrum that may simulate type II superior labral anterior posterior (SLAP) tears.
Gross anatomy
A synovial lined sulcus (or recess) may be located inferiorly to the long head of biceps tendon origin from the supraglenoid tubercle and superiorly to the postero-superior aspect of the glenoid labrum. Its depth has been described as variable1.
Radiographic features
MR Arthrogram
Pseudo-SLAP lesions are best visualized on oblique coronal views as high signal intensity contrast material at the expected location. If deep enough, the sulcus may mimic a type II SLAP tear.
-<p><strong>Introduction</strong></p><p>Pseudo-SLAP lesions are </p>- +<p><strong>Pseudo-SLAP lesions </strong>represent a normal anatomic variant of the <a href="/articles/glenoid-labrum">glenoid labrum</a> that may simulate type II <a href="/articles/superior-labral-anterior-posterior-tear">superior labral anterior posterior (SLAP) tears</a><strong> </strong>. </p><h4>Gross anatomy</h4><p>A synovial lined sulcus (or recess) may be located inferiorly to the long head of biceps tendon origin from the supraglenoid tubercle and superiorly to the postero-superior aspect of the glenoid labrum. Its depth has been described as variable<sup>1</sup>. </p><h4>Radiographic features</h4><h5>MR Arthrogram</h5><p>Pseudo-SLAP lesions are best visualized on oblique coronal views as high signal intensity contrast material at the expected location. If deep enough, the sulcus may mimic a type II SLAP tear.</p><p> </p><p> </p><p> </p>
References changed:
- 1. Chang D, Mohana-Borges A, Borso M, Chung CB. SLAP lesions: anatomy, clinical presentation, MR imaging diagnosis and characterization. (2008) European journal of radiology. 68 (1): 72-87. <a href="https://doi.org/10.1016/j.ejrad.2008.02.026">doi:10.1016/j.ejrad.2008.02.026</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/18499376">Pubmed</a> <span class="ref_v4"></span>
- 1. Chang D, Mohana-Borges A, Borso M, Chung CB. SLAP lesions: anatomy, clinical presentation, MR imaging diagnosis and characterization. (2008) European journal of radiology. 68 (1): 72-87. <a href="https://doi.org/10.1016/j.ejrad.2008.02.026">doi:10.1016/j.ejrad.2008.02.026</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/18499376">Pubmed</a> <span class="ref_v4"></span>
- 2. De Coninck T, Ngai SS, Tafur M, Chung CB. Imaging the Glenoid Labrum and Labral Tears. (2016) Radiographics : a review publication of the Radiological Society of North America, Inc. 36 (6): 1628-1647. <a href="https://doi.org/10.1148/rg.2016160020">doi:10.1148/rg.2016160020</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/27726737">Pubmed</a> <span class="ref_v4"></span>
- 3. W E Palmer, P L Caslowitz, F S Chew. MR arthrography of the shoulder: normal intraarticular structures and common abnormalities. (2013) AJR. American journal of roentgenology. 164 (1): 141-6. <a href="https://doi.org/10.2214/ajr.164.1.7998527">doi:10.2214/ajr.164.1.7998527</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/7998527">Pubmed</a> <span class="ref_v4"></span>
- Chang D, Mohana-Borges A, Borso M, Chung CB. SLAP lesions: anatomy, clinical presentation, MR imaging diagnosis and characterization. (2008) European journal of radiology. 68 (1): 72-87. <a href="https://doi.org/10.1016/j.ejrad.2008.02.026">doi:10.1016/j.ejrad.2008.02.026</a> - <a href="https://www.ncbi.nlm.nih.gov/pubmed/18499376">Pubmed</a> <span class="ref_v4"></span>
Sections changed:
- Anatomy
Systems changed:
- Musculoskeletal
Tags changed:
- pseudo slap lesion
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