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Skeletal Radiol. 2016 Jan;45(1):49-55. doi: 10.1007/s00256-015-2240-3. Epub 2015 Aug 27.

Calcific tendinopathy of the rotator cuff: the correlation between pain and imaging features in symptomatic and asymptomatic female shoulders.

Author information

1
Orthopaedic Department of the Università degli Studi di Milano, Milan, Italy. valerio.sansone@unimi.it.
2
Istituto Ortopedico Galeazzi IRCCS, Via Riccardo Galeazzi 4, 20161, Milano, Italy. valerio.sansone@unimi.it.
3
Orthopaedic Department of the Università degli Studi di Milano, Milan, Italy.
4
Department of Surgery and Interdisciplinary Medicine, Program in Physical Therapy, University of Milano-Bicocca, Milan, Italy.
5
SME - Diagnostic Imaging Medical Centre, Varese, Italy.

Abstract

OBJECTIVE:

To provide new epidemiological data regarding the prevalence, distribution and macroscopic features of shoulder rotator cuff calcific tendinopathy (calcific tendinopathy), and to identify the characteristics of calcific deposits associated with shoulder pain.

MATERIALS AND METHODS:

Three hundred and two female volunteers (604 shoulders) who had been referred to a gynaecological clinic participated in the study. The subjects underwent a high-resolution ultrasonography of both shoulders, and those with a diagnosis of calcific tendinopathy compiled a standardized questionnaire relating to shoulder symptoms. We determined the prevalence of symptomatic and asymptomatic rotator cuff calcific tendinopathy, and compared differences in distribution and macroscopic features of the symptomatic and asymptomatic calcifications.

RESULTS:

The prevalence of calcific tendinopathy was 17.8% (103 shoulders). Ninety-five shoulders (15.7%) were symptomatic; of these, calcific tendinopathy was found in 34 shoulders (33%) on imaging. Of the 509 asymptomatic (84.3%) shoulders, calcific tendinopathy was observed in 69 cases (67%). Among tendons, supraspinatus (53.4%) and infraspinatus (54.6%) were the most frequently involved. The majority of calcific deposits were of maximum diameter between 2 and 5 mm (77.9%), and were linear in form (69.9%). The involvement of multiple tendons and a location in the supraspinatus tendon were found to be significantly correlated with pain (p = 0.023, p = 0.043 respectively), as were age (p = 0.041) and an excessive body mass index (p = 0.024).

CONCLUSION:

In this sample from the general population of working age females, both intrinsic factors (location in supraspinatus, multiple tendon involvement) and extrinsic variables (age, abnormally high BMI) were correlated with pain in calcific tendinopathy.

LEVEL OF EVIDENCE:

Level III, cross-sectional study, prevalence study.

KEYWORDS:

Calcific tendinopathy; Pain; Population-based study; Rotator cuff; Ultrasonography

PMID:
26306389
DOI:
10.1007/s00256-015-2240-3
[Indexed for MEDLINE]

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