Fig. 4From: Patellar sleeve avulsion fracture in a patient with Sinding-Larsen-Johansson syndrome: a case reportIntraoperative pictures a: Intact prepatellar bursa. b: Prepatellar bursa and periosteum sharply dissected. The patellar tendon was avulsed off the distal pole and anterior aspect of blood infiltrated patella, with an intact proximal patellar pole and quadriceps tendonBack to article page