title: Anterior glenoid perforation with suture anchor causing subscapularis irritation and pain.
abstract: BACKGROUND
  Suture anchors for labral repair have been associated with complications including suprascapular notch encroachment and osteolysis.
  
  
  METHODS
  We present a case of suture anchor penetration of the anterior glenoid neck leading to pain secondary to subscapularis muscle irritation in a 14-year-old boy. The patient had labral repair and subsequent anterior shoulder pain which resolved after anchor removal.
  
  
  METHODS
  Chondrolysis of the glenohumeral joint has been described following labral repair with knotless anchors. There have also been cases of injury to the suprascapular nerve following labral repair. However, we are not aware of any reports describing suture anchor penetration of the anterior glenoid neck leading to pain secondary to subscapularis muscle irritation.
  
  
  CONCLUSIONS
  Labral repair has become a common and routine procedure, but complications can occur. We report a new complication related to osseous penetration of the anterior glenoid neck of the scapula by a suture anchor. We identified the complication using magnetic resonance imaging, an important part in reproducible, noninvasive, and objective assessment of the postoperative shoulder. We also present the technique for anchor removal used to resolve the patient's anterior shoulder pain.
authors.affiliation: Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021 USA.
authors.forename: Robert G
authors.initials: RG
authors.lastname: Marx
authors.affiliation: Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA USA.
authors.forename: Lana
authors.initials: L
authors.lastname: Verkuil
authors.affiliation: Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021 USA.
authors.forename: Sean
authors.initials: S
authors.lastname: Wilson
authors.affiliation: Department of Radiology and Imaging, Hospital for Special Surgery, 535 East 70th Street, New York, NY 10021 USA.
authors.forename: Li Foong
authors.initials: LF
authors.lastname: Foo
keywords: anchor tip removal; arthroscopy; labral repair; labral repair complications; shoulder surgery; sports medicine; subscapularis pain