Fig. 3From: Patellar sleeve avulsion fracture in a patient with Sinding-Larsen-Johansson syndrome: a case reporta: Sagittal T2-weighted MRI after acute injury showing patellar tendon sleeve avulsion (straight white line) with sub periosteal-fluid surrounding the patella (dotted white line). b: Axial T2- weighted MRI demonstrating sub-periosteal fluid (straight white line) communicating with the intraarticular effusionBack to article page