Radiology of the Lower Limb Anteroposterior View of the Hips iliac crest anterior superior Iliac spine anterior inferior ischial spine iliac spine femoral head fovea femoral neck greater superior pubic trochanter ramus intertrochanteric crest pubic symphysis lesser trochanter superior acetabular rim ilium ischium pubis ischial tuberosity obturator foramen inferior pubic ramus femoral shaft Femoral Arteriogram urinary bladder abdominal aorta lumbar aa. common iliac a. internal iliac a. external iliac a. superior gluteal a. lateral circumflex inferior femoral a. gluteal a. ascending branch deep superficial femoral a. femoral a. What’s Wrong With This Hip? Avulsion fracture of anterior superior iliac spine *hint* Bonus: which muscle is responsible? Sartorius CT Imaging of the Hips: Axial View anterior acetabulum greater trochanter femoral head coccyx posterior What’s Wrong With This Hip? (part 1) not normal normal *hint* What’s Wrong With This Hip? (part 2) Axial CT Scan not normal normal *hint* Fractured acetabulum A-P View of the Knee femur patella lateral epicondyle medial epicondyle intercondylar eminences fibular head proximal tibial physis (growth plate) fibular neck fibula tibia lateral femoral condyle medial femoral condyle lateral tibial plateau medial tibial plateau Lateral View OÎ theKnee femur intercondylar fossa lateral femoral condyle patella fabella medial femoral fibular head condyle tibial tuberosity fibula tibia Skyline View of the Knee patella medial femoral condyle lateral femoral condyle Arteriogram of the Knee popliteal artery anterior tibial artery posterior tibial artery common fibular a. What’s Wrong With This Knee? (part 1) normal What’s Wrong With This Knee? (part 2) normal Dislocated patella The Benefits of MRI The ideal modality for imaging soft tissues Magnetic Resonance Imaging of the Knee: Saggital Plane quadriceps tendon patella femur femur posterior cruciate lig. tibia tibia intercondylar eminence popliteal artery quadriceps tendon p femur p femur anterior cruciate ligament tibia patellar ligament tibia lateral meniscus MR Imaging of the Knee: Coronal Plane medial lateral posterior cruciate ligament femur anterior cruciate lig. medial collateral ligament medial meniscus tibia lateral meniscus medial lateral vastus lateralis quadriceps muscle (vastus medialis) iliotibial band femur medial collateral lig. tibia What’s Wrong With This Knee? Saggital MR images normal Patellar ligament rupture A-P View of the Leg and Ankle tibia fibula location of interosseus membrane ankle joint inferior tibiofibular joint medial malleolus lateral malleolus talus Mortice View of the Leg and Ankle 10 degrees internal rotation of ankle Lateral View of the Leg and Ankle fibula tibia medial malleolus lateral malleolus sustentaculum tali talus navicular calcaneus subtalar joint.