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Journal of the Korean Academy of Rehabilitation Medicine 2002;26(2):177-181.
MRI Findings of Adhesive Capsulitis of Shoulder.
Choi, Eun Seok , Lee, Yeon Soo , Yang, Ji Ho , Ko, Young Jin , Kang, Sae Yoon , Shin, Jae Eun , Whang, In Sik , Yang, Yoo Jin
1Department of Rehabilitation Medicine, College of Medicine, The Catholic University of Korea, Korea. eschoi@djsungmo.com
2Department of Radiology, College of Medicine, The Catholic University of Korea, Korea.
3Department or Neurosurgery, College of Medicin, The Catholic University of Korea, Korea.
유착성 견관절낭염의 자기공명영상 검사 소견
최은석, 이연수1, 양지호2, 고영진, 강세윤, 신재은, 황인식, 양유진
가톨릭대학교 의과대학 재활의학교실, 1방사선과학교실, 2신경외과학교실
Abstract

Objective
MRI findings of adhesive capsulitis (AC) have been rarely documented even though the disease is a rather common disorder. To find reliable MRI parameters, we studied MRI findings of the patients with arthrographically-proven AC.


Method
Eighteen patients with AC (patient group) and eight subjects without AC (control group) were enrolled. Mean age of the former was 55.1 years and that of the latter was 41.4 years. Mean duration of the diseases in patient group was 5.9 months. Oblique coronal and axial MRI images of the shoulder were measured for the thickness of capsule and synovium around the axillary fold (TAF), volume of axillary recess (VAR), and volume of biceps tendon sheath (VBTS), which were com-

pared in both groups using unpaired t-test.


Results
TAF was significantly increased in patient group (p<0.0001), and the thickened axillary fold greater than 5.1 mm was a useful MRI criterion for the diagnosis of AC with sensitivity of 93% and with specificity of 100%. VBTS was also significantly diminished in patient group (p<0.05), whereas there was no significant difference in VAR between two groups.


Conclusion
TAF, especially greater than 5.1 mm, and decreased VBTS are useful MRI parameters for the diagnosis of AC of shoulder. (J Korean Acad Rehab Med 2002; 26: 177-181)

Key Words: Adhesive capsulitis of shoulder, Frozen shoulder, MRI, Axillary fold, Biceps tendon sheath


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