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Complications of Rotator Cuff Surgery in Which Bioabsorbable Anchors Are Used

Thomas Magee1, Marc Shapiro, Galen Hewell and David Williams

1 All authors: Department of Radiology, Neuroimaging Institute, 27 E Hibiscus Blvd., Melbourne, FL 32901.



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  		Fig. 1A. —52-year-old man with shoulder pain after surgery. Oblique coronal T1-weighted image (TR/TE, 507/12) shows two dislodged rotator cuff anchors (arrows).

 


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  		Fig. 1B. —52-year-old man with shoulder pain after surgery. Oblique coronal T2-weighted image (4,000/72) shows dislodged rotator cuff anchors (straight arrows). Screw tract of intact anchor is seen in humeral head (curved arrow).

 


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  		Fig. 1C. —52-year-old man with shoulder pain after surgery. Oblique sagittal T2-weighted image (4,000/72) shows dislodged rotator cuff anchor (straight arrow) and full-thickness supraspinatus tendon tear (curved arrow).

 


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  		Fig. 1D. —52-year-old man with shoulder pain after surgery. Postoperative photograph shows retrieved rotator cuff anchors (Arthrex, Athrex, Naples, FL).

 


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  		Fig. 2A. —62-year-old man with shoulder pain after surgery. Fat-saturated oblique sagittal T1-weighted MR arthrogram (TR/TE, 507/12) shows dislodged rotator cuff anchor (arrow). In this patient, other images (not shown) revealed that two anchors were loose, and supraspinatus tendon was torn.

 


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  		Fig. 2B. —62-year-old man with shoulder pain after surgery. Fat-saturated oblique coronal T1-weighted MR arthrogram (507/12) shows dislodged rotator cuff anchor (arrow).

 


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  		Fig. 2C. —62-year-old man with shoulder pain after surgery. Postoperative photograph shows two loose Mitek rotator cuff anchors (Ethicon, Piscataway, NJ) that we retrieved.

 


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  		Fig. 3A. —49-year-old woman with pain after shoulder surgery. Radiograph shows no visible rotator cuff anchor.

 


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  		Fig. 3B. —49-year-old woman with pain after shoulder surgery. T2-weighted oblique sagittal image (TR/TE, 4,000/72) shows dislodged rotator cuff anchor (straight arrow) and full-thickness supraspinatus tendon tear (curved arrow). Second dislodged anchor was also present (not shown).

 


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  		Fig. 3C. —49-year-old woman with pain after shoulder surgery. Spin density axial MRI (4,000/18) shows dislodged rotator cuff anchor (arrow).

 


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  		Fig. 4A. —53-year-old man with pain after surgery. T1-weighted fat-saturated oblique coronal MR arthrogram (TR/TE, 507/12) shows dislodged rotator cuff anchor (straight arrow) without evidence of full-thickness supraspinatus tendon retear (curved arrow).

 


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  		Fig. 4B. —53-year-old man with pain after surgery. T1-weighted fat-saturated axial MR arthrogram (507/12) shows dislodged rotator cuff anchor (arrow).

 


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  		Fig. 5A. —47-year-old man with shoulder pain after surgery. T1-weighted oblique coronal image (507/12) shows two dislodged rotator cuff anchors (straight arrows) and screw tract of intact anchor (curved arrow).

 


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  		Fig. 5B. —47-year-old man with shoulder pain after surgery. T1-weighted fat-saturated oblique coronal MR arthrogram (507/12) shows dislodged rotator cuff anchors (straight arrows) and screw tract of intact rotator cuff anchor (curved arrow). Despite dislodged anchors, supraspinatus tendon is intact.

 


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  		Fig. 5C. —47-year-old man with shoulder pain after surgery. T2-weighted oblique sagittal image (4,000/72) shows screw tracts in humeral head (thin arrows). Supraspinatus tendon (thick arrow) is intact.

 


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  		Fig. 6. —58-year-old man with shoulder pain after surgery. T2-weighted oblique coronal image (TR/TE, 4,000/72) shows full-thickness supraspinatus tendon tear (thick arrow) and screw tract of intact anchors in humeral head (thin arrows).

 

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