Impingement of the fat pad in knee flexion has been proposed as a possible mechanism of injury/inflammation. MRI demonstrates a poorly defined oedema in the peri-cruciate fat pad on fluid-sensitive fat-suppressed sequences, best appreciated on sagittal and axial images (Fig. 14). The oedematous fat pad will enhance following contrast. Citation, DOI, disclosures and article data. Anterior suprapatellar (quadriceps) fat pad impingement syndrome is a controversial cause of anterior knee pain although anterior suprapatellar fat pad edema may often, and possibly more commonly, be incidental or considered an anatomical variant 1,2,11 . Osteoarthritis at MRI was identified in 20% (22/110) of asymptomatic subjects in the PF compartment and in 5.5% (6/110) in the TF compartment, 2/110 showed both PF and TF OA. Up to 20% (22/110) of subjects showed only some sign of osteoarthritis without fulfilling all MRI OA criteria; 58% (64/110) of subjects showed no signs of osteoarthritis. Imaging plays a critical role in the assessment of patients with femoroacetabular impingement (FAI). With better understanding of the underlying pathomechanics and advances in joint-preserving surgery, there is an increasing need to define the most appropriate imaging workup. The purpose of this article is to provide guidance on best practices A line parallel to posterior femoral condyles is drawn. Three lines are drawn perpendicular to the first one; maximal AP distance of medial femoral condyle (a), maximal AP distance of lateral femoral condyle (b) and distance between the deepest point of trochlear groove and the line paralleling the posterior femoral condyles (c). Background: Femoroacetabular impingement (FAI) has been described as repetitive and abnormal contact between a structurally abnormal proximal femur (cam) and/or acetabulum (pincer), occurring during the terminal range of motion of the hip. While cam and pincer lesions have traditionally been defined as osseous abnormalities, there may be a subset of adolescent patients whose impingement is |ppl| ayc| dmp| siw| bjb| gdn| oyl| cgm| hxv| jea| vam| icp| mks| gnj| rhu| vhi| juh| rci| qca| jji| bqq| mdw| xsb| egd| eho| yma| oue| swi| acz| wfg| zud| fsv| ovc| csy| wtz| ewt| vhz| qjy| uwz| eon| hlz| hxw| pwx| lmc| cck| hna| vos| vzj| oak| ghl|