Published online Apr 19, 2010.
https://doi.org/10.4055/jkoa.2010.45.2.155
Arthroscopic Resection of the Chondroma in the Supraspinatus of the Shoulder
Abstract
Soft-tissue chondroma is rare a benign soft-tissue tumor that occurs mainly in hands and feet. There have been no reports of a chondroma in the supraspinatus tendon. We describe the clinical, histological and radiological features of the intratendinous chondroma of the supraspinatus occurring in a 30-year-old man who was managed arthroscopically and a review of the relevant literature review.
Figure 1
The right shoulder AP radiograph shows no definite abnormalities.
Figure 2
(A) The right shoulder T1-weighted MR sagital image shows well-marginated ovoid mass in the supraspinatus tendon. (B) Dot shaped high signal intensity within ovoid mass and vertical high signal intesity in the biceps anchor are noted on T2-weighted MR sagital image.
Figure 3
Articular side of the supraspinatus looks slightly elevated but grossly normal appearance.
Figure 4
(A) Arthroscopically, anterior type of SLAP II lesion was confirmed by probing. (B) Torn biceps anchor was repaired with suture anchors.
Figure 5
(A) In the bursal side, intratendinous mass in the supraspinatus was exposed by longitudinal incision. (B) Dead space was noted after excision of the mass (C) Defect region was approximated with side-to-side repair using PDS sutures.
Figure 6
(A) Multiple fragments of the excised mass. (B) Specimen consists of hyaline cartilage arranged with lobular pattern in high power field (hematoxylin and eosin, ×400).
Figure 7
Postoperative 1 year follow-up MRI shows complete healing of supraspinatus tendon with scarring and there is no evidence of recurrence.
References
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Enzinger FM, Weiss SW. Cartilagenous soft tissue tumor. In: Enzinger FM, Weiss SW, editors. Soft tissue tumors. 3rd ed. St Louis: Mosby; 1995. pp. 991-1012.
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Zlatkin MB, Lander PH, Begin LR, Hadjipavlou A. Soft tissue chondromas. Am J Roentgenol 1985;144:1263–1267.
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