Fig. 5From: Patellar maltracking: an update on the diagnosis and treatment strategiesTibial tubercle–trochlear groove distance (TT-TG) assessment. a Axial PDFS right knee MR image at the level of the trochlear groove. b Axial MRI at the level of the tibial tuberosity. TTTG is the distance between the solid and the dashed lines in (b). Note the edema in the superolateral aspect of Hoffa’s fat pad (arrow)Back to article page