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Related Experiment Videos

Glenoid osteophyte and rotator cuff tears: an anatomic study.

Norikazu Konno1, Eiji Itoi, Tadato Kido

  • 1Department of Orthopedic Surgery, Akita University School of Medicine, Hondo 1-1-1, Akita 010-8543, Japan.

Journal of Shoulder and Elbow Surgery
|February 15, 2002
PubMed
Summary

Hooked glenoid osteophytes are linked to full-thickness rotator cuff tears. This study identified specific osteophyte types and their association with shoulder joint degeneration, aiding in diagnosing rotator cuff pathology.

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Area of Science:

  • Orthopedic Surgery
  • Anatomy
  • Radiology

Background:

  • Rotator cuff tears are a common cause of shoulder pain and dysfunction.
  • Glenoid osteophytes, bony growths on the shoulder socket, are often associated with shoulder pathology.

Purpose of the Study:

  • To characterize glenoid osteophytes and investigate their association with rotator cuff tears.
  • To differentiate between angular and hooked glenoid osteophytes.

Main Methods:

  • Examination of 86 cadaveric shoulders.
  • Assessment of rotator cuff pathology and glenoid morphology using soft X-rays.
  • Histological evaluation of articular cartilage and labrum degeneration.

Main Results:

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  • Rotator cuff tears were present in 35% of the shoulders studied.
  • Two types of glenoid osteophytes were identified: angular and hooked.
  • Hooked osteophytes were significantly longer in shoulders with full-thickness rotator cuff tears (2.7 mm) compared to other cuff conditions.
  • Hooked osteophytes were more prevalent (43%) in full-thickness tears and associated with cartilage and labral degeneration.

    • Conclusions:

    • The hooked glenoid osteophyte is a characteristic finding in shoulders with full-thickness rotator cuff tears.
    • Glenoid osteophyte morphology may serve as an indicator of rotator cuff integrity and associated degenerative changes.