The Korean Journal of Sports Medicine

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Fig. 2.

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Fig. 2. Histological evaluation at 8 weeks after repair. Group 1 received only supraspinatus repair; group 2 received supraspinatus repair with a single injection of kartogenin. (A) H&E staining, ×50. (B) Masson trichrome staining, ×50. (C) Picrosirius red staining, ×50. Continuity, orientation, and density of collagen fiber showed a higher average grading in group 2 compared with group 1. Group 2 showed better maturation and density of the tendon-to-bone interface structure (arrows) than group 1.
Korean J Sports Med 2020;38:217-24 https://doi.org/10.5763/kjsm.2020.38.4.217
© 2020 Korean J Sports Med