Inflammation absent in Achilles tendonitis

Chronic Achilles tendinopathy. A survey of surgical and histopathologic findings. Aström, M., Rausing, A. Clin. Orthop. 1995. Jul;(316):151-64 163 patients with chronic Achilles tendinopathy, 75% of whom were athletes, underwent biopsy of the painful tendon. Degenerative changes (tendinosis) characterized by abnormal fiber structure, focal hypercellularity, and vascular proliferation were noted in 90%…

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