Fig. 2From: Outcome and experience of arthroscopic lateral retinacular release combined with lateral patelloplasty in the management of excessive lateral pressure syndromeComparison of preoperative and postoperative radiographic data of CT scan and arthroscopic examination of the ELPS patient. a Preoperative CT scan image revealed lateral articular space stenosis. b Postoperative CT scan image revealed that the lateral joint space returned to normal. c Preoperative arthroscopic examination revealed lateral articular space stenosis. d Postoperative arthroscopic examination revealed that the lateral joint space returned to normalBack to article page