Intraarticular lesions in calcifying tendinitis: incidence and association with the acromion index.
Summary of "Intraarticular lesions in calcifying tendinitis: incidence and association with the acromion index."
INTRODUCTION:
Intraarticular pathologies are a common finding during arthroscopy for rotator cuff lesions. Both rotator cuff tears as well as cartilage lesions have been described as correlating with the acromion index.
METHODS:
In the current study, we aimed to determine the incidence of intraarticular lesions in calcifying tendinitis, to compare the incidence in patients with partial- and full-thickness tears of the rotator cuff, and to determine the acromion index in these groups. The incidence and type of accompanying intraarticular lesions were compared between three consecutive, age-matched groups of 64 patients each: those with calcifying tendinitis (group A), and those with partial- (group B) and full-thickness rotator cuff tears (group C). Also, the acromion index was measured from plain radiographs and compared between the groups.
RESULTS:
The incidence of intraarticular pathology was 43% in group A, 41% in group B and 84% in group C. The differences between groups A and C as well as B and C were significant (p < 0.0001), but not between groups A and B (p = 0.858). Even though the acromion index was larger in group C than in the other two groups, the difference was not significant (A vs. B, p = 0.505; A vs. C, p = 0.180; and B vs. C p = 0.446). The incidence and type of intraarticular lesions in calcifying tendinitis are comparable to age-matched shoulders with partial- rather than full-thickness rotator cuff tears.
CONCLUSION:
The acromion index is not different between shoulders with calcifying tendinitis, and partial- or full-thickness rotator cuff tears.
Affiliation
Department of Orthopaedic Surgery, University of Ulm, Oberer Eselsberg 45, 89081, Ulm, Germany, Thkappe@gmx.de.
Journal Details
This article was published in the following journal.
Name: Archives of orthopaedic and trauma surgery
ISSN: 1434-3916
Pages:
Links
- PubMed Source: http://www.ncbi.nlm.nih.gov/pubmed/21249374
- DOI: http://dx.doi.org/10.1007/s00402-011-1263-z
Medical and Biotech [MESH] Definitions
Acromion
The lateral extension of the spine of the SCAPULA and the highest point of the SHOULDER.
Tendinopathy
Clinical syndrome describing overuse tendon injuries characterized by a combination of PAIN, diffuse or localized swelling, and impaired performance. Distinguishing tendinosis from tendinitis is clinically difficult and can be made only after histopathological examination.
Acromioclavicular Joint
The gliding joint formed by the outer extremity of the CLAVICLE and the inner margin of the acromion process of the SCAPULA.
Odontogenic Cyst, Calcifying
A mixed radiolucent-radiopaque lesion of the jaws with features of both a cyst and a solid neoplasm. It is characterized microscopically by an epithelial lining showing a palisaded layer of columnar basal cells, presence of ghost cell keratinization, dentinoid, and calcification. (Stedman, 25th ed)
Prevalence
The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.
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