1. Victoria Clague, MD

2. Left ventricle Aortic arch SVC Knee anatomy cases Leg anatomy fractures Vascular

3. FRONTALLATERAL

4. FRONTALLATERAL patella Medial femoral condyle Lateral femoral condyle Tibia Fibula

5. MR Image Orientation Exams usually consistent of multiple sequences which try to maximize imaging of either water, fat, vessels or soft tissue This is a T1 image and fluid is dark, tendons are dark, Fat is bright

6. Knee MR - Coronals Top to bottom: Distal femur Cartilage Menisci Cartilage Tibial plateau Outside: Iliotibial band Medial collateral ligament Medial Lateral

7. MR Knee – Coronals Top to bottom: Femoral condyles Cartilage Menisci Cartilage Tibial plateau Fibula Outside: Fibular collateral ligament

8. MR Knee - Sagittal Quadriceps tendon Patella Patellar Tendon Joint spac Distal femur Tibial plateau Anterior cruciate ligament Popliteal artery ACL

9. MR Knee - Sagittal Posterior cruciate ligament

10. MR Knee – Sagittal Lateral Very lateral Distal femur Cartilage Lateral Meniscus Tibial plateau / Fibula Gastronemius mm

11. Left ventricle Aortic arch SVC Knee anatomy cases Lower leg anatomy fractures Vascular

12. 1 month post operative films

13. Post operativeToday in the ED

14.  Dislocation of knee replacement  Risk for all arthroplasties, especially hip

16.  Imaging findings  Fracture line through the tibial plateau without displacement

17.  Imaging findings  Fracture line through the tibial plateau without displacement

18. NormalCase

21. Medial meniscal tear Often associated with anterior cruciate ligament tears and medial collateral ligaments tears

22. Normal ACL Complete ACL tear Companion case – status post skiing accident

23. Case coronalCase sagittal ACL tear, MCL sprain, and Medial meniscus tear

24. LATERALFRONTAL TibiaFibula

25. LATERALFRONTAL

26. LATERALFRONTAL Tibia Talus Fibula Calcaneus

27. Normal

28. Fracture

29.  Distal fibular fracture  Ankle mortise disrupted – indicates ligament injury

30. LATERAL

31. Calcaneus Talus Achille’s Tendon Plantar fascia

33. Phalanges Metatarsals Tarsals

37. Common iliacs Internal iliacs (II) --Posterior division ( to gluteals) --Anterior division External liliacs (EI) --Inferior epigastric arteries (IEG) Common femoral (CFA) --Profunda branches (PR) AO CI EI II IEG CFA PR

38. Femoral artery Profunda branches FA PR

39. Lower leg Popliteal artery Anterior tibial artery Tibioperoneal trunk - Posterior tibial - Peroneal

44. A B C D

49. A B C