Fig. 1From: Percutaneous ultrasonic debridement of tendinopathy—a pilot Achilles rabbit model a (A) A normal betadine prepared rabbit Achilles tendon site. (B) An Achilles tendon at 3 weeks after collagenase injection demonstrating a fusiform swelling at the injection site. b (A) A normal Achilles tendon with a diameter A-A, (B) A collagenase-injected Achilles tendon after 3 weeks (group 1) with a significantly enlarged diameter B-B Back to article page