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Unusual thinning of the subscapularis tendon with heterotopic ossification: a case report and literature review
Arthrosc Orthop Sports Med 2018;5:48-52
Published online November 1, 2018;  https://doi.org/10.14517/aosm18009
© 2018 Korean Arthroscopy Society and Korean Orthopedic Society for Sports Medicine.

Jae-Sung Yoo, Seung-Kwan Park, Joong-Bae Seo

Department of Orthopedic Surgery, Dankook University College of Medicine, Cheonan, Korea
Correspondence to: Joong-Bae Seo, https://orcid.org/0000-0003-0334-1049
Department of Orthopaedic Surgery, Dankook University College of Medicine, 119 Dandae-ro, Dongnam-gu, Cheonan 31116, Korea.
Tel: +82-41-550-3060, Fax: +82-41-550-6579, E-mail: ssjb1990@dku.edu
Received September 16, 2018; Revised October 4, 2018; Accepted October 12, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Intra-tendinous calcification of the rotator cuff is a rare condition usually associated with heterotopic ossification. In particular, heterotopic ossification within the subscapularis tendon is very rare and little is known about its etiology and the mechanisms underlying its pathogenesis. Here, we describe a patient complaining of pain in his right anterior shoulder. Radiographic evaluation revealed a significant ossifying mass entrapped in the subscapularis tendon with tendon thinning. We duly performed open excision of the heterotopic ossification and open repair of the rotator cuff. Six months later, the subscapularis tendon had healed and the symptoms had disappeared.
Keywords : Rotator cuff; Subscapularis; Heterotopic ossification
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November 2018, 5 (2)