1. MedPix Medical Image Database COW - Case of the Week Case Contributor: Eric A Walker Affiliation: Penn State University

2. MedPix No: 12934 - History Pt Demographics: Age = 45 y.o. Gender = woman Normal knee. Downloaded by (-1)

3. MedPix No: 12934 - EXAM & LABS Normal knee.

4. 01 Knee axial gross anatomical section. 01 Axial Distal Femur - 1. Distal Femur - 2. Vastus Lateralis Muscle - 3. Quadraceps Femoris Tendon - 4. Vastus Medialis Muscle - 5. Biceps Femoris Muscle - 6. Semimembranosis Muscle - 7. Semitendinosis Tendon - 8. Gracilis Tendon - 9. Sartorius Muscle - 10. Comon Peroneal & Tibial Nerve - 11. Popliteal Vein & Artery - 12. Great Saphenous Vein - - http://rad.usuhs.mil/rad/anatomy/knee/anatomic/axial/n_a1000.htm Downloaded by (-1)

5. 02 Knee axial gross anatomical section. Axial Distal Femur - 1. Distal Femur - 2. Patella - 3. Vastus Lateralis Muscle - 4. Quadraceps Femoris Tendon - 5. Vastus Medialis Muscle - 6. Biceps Femoris Muscle - 7. Semimembranosis Muscle - 8. Semitendinosis Tendon - 9. Gracilis Tendon - 10. Sartorius Muscle - 11. Gastrocnemius Muscle (Medial Head) - - http://rad.usuhs.mil/rad/anatomy/knee/anatomic/axial/n_a1001.htm - Downloaded by (-1)

6. 03 Knee axial gross anatomical section. Axial Distal Femur - 1. Distal Femur - 2. Patella - 3. Vastus Medialis Muscle - 4. Biceps Femoris Muscle - 5. Semimembranosis Muscle - 6. Semitendinosis Tendon - 7. Gracilis Tendon - 8. Sartorius Muscle - 9. Gastrocnemius Muscle (Medial Head) - 10. Gastrocnemius Muscle (Lateral Head) - - http://rad.usuhs.mil/rad/anatomy/knee/anatomic/axial/n_a1002.htm - Downloaded by (-1)

7. 04 Knee axial gross anatomical section. Axial Distal Femur at the Condyles - 1a. Lateral Femoral Condyle - 1b. Medial Femoral Condyle - 2. Patella - 3. Biceps Femoris Muscle - 4. Semimembranosis Muscle - 5. Semitendinosis Tendon - 6. Gracilis Tendon - 7. Sartorius Muscle - 8. Gastrocnemius Muscle (Medial Head) - 9. Gastrocnemius Muscle (Lateral Head) - - http://rad.usuhs.mil/rad/anatomy/knee/anatomic/axial/n_a1003.htm Downloaded by (-1)

8. 05 Knee axial gross anatomical section. Axial Distal Femur at the Condyles - 1a. Lateral Femoral Condyle - 1b. Medial Femoral Condyle - 2. Biceps Femoris Muscle - 3. Gastrocnemius Muscle (Lateral Head) - 4. Gastrocnemius Muscle (Medial Head) - 5. Semimembranosis Tendon - 6. Semitendinosis Tendon - 7. Gracilis Tendon - 8. Sartorius Muscle - 9. Posterior Cruciate Ligament (PCL) - 10. Anterior Cruciate Ligament (ACL) - - http://rad.usuhs.mil/rad/anatomy/knee/anatomic/axial/n_a1004.htm Downloaded by (-1)

9. 06 Knee axial gross anatomical section. Axial Tibial Plateau - 1a. Lateral Tibial Plateau - 1b. Medial Tibial Plateau - 2. Patellar Ligament - 3. Biceps Femoris Muscle/Tendon - 4. Gastrocnemius Muscle (Lateral Head) - 5. Gastrocnemius Muscle (Medial Head) - 6. Semimembranosis Tendon - 7. Semitendinosis Tendon - 8. Gracilis Tendon - 9. Sartorius Muscle - 10. Posterior Cruciate Ligament (PCL) - - http://rad.usuhs.mil/rad/anatomy/knee/anatomic/axial/n_a1005.htm Downloaded by (-1)

10. 07 Knee axial gross anatomical section. Axial Proximal Tibia - 1a. Lateral Tibial Plateau - 1b. Medial Tibial Plateau - 2. Patellar Ligament - 3. Biceps Femoris Muscle/Tendon - 4. Gastrocnemius Muscle (Lateral Head) - 5. Gastrocnemius Muscle (Medial Head) - 6. Semimembranosis Tendon - 7. Semitendinosis Tendon - 8. Gracilis Tendon - 9. Sartorius Muscle - 10. Posterior Cruciate Ligament (PCL) - - http://rad.usuhs.mil/rad/anatomy/knee/anatomic/axial/n_a1006.htm Downloaded by (-1)

11. 08 Knee axial gross anatomical section. Axial Proximal Tibia - 1. Proximal Tibia - 2. Patellar Ligament - 3. Biceps Femoris Tendon - 4. Fibular Head - 5. Gastrocnemius Muscle (Lateral Head) - 6. Gastrocnemius Muscle (Medial Head) - 7. Semimembranosis Tendon - 8. Semitendinosis Tendon - 9. Gracilis Tendon - 10. Sartorius Muscle/Tendon - 11. Popleteus Muscle - - http://rad.usuhs.mil/rad/anatomy/knee/anatomic/axial/n_a1007.htm Downloaded by (-1)

12. 09 Knee axial gross anatomical section. Axial Proximal Tibia - 1. Proximal Tibia - 2. Patellar Ligament - 3. Fibular Head - 4. Tibialis Anterior, Extensor Digitorum Longus & Peroneus Longus Muscles - 5. Gastrocnemius Muscle (Lateral Head) - 6. Gastrocnemius Muscle (Medial Head) - 7. Semitendinosis Tendon - 8. Sartorius Muscle/Tendon - 9. Popleteus Muscle - 10. Soleus Muscle - - http://rad.usuhs.mil/rad/anatomy/knee/anatomic/axial/n_a1008.htm Downloaded by (-1)

13. 10 Knee axial gross anatomical section. Axial at Anterior Tibial Tubercle - 1a. Proximal Tibia - 1b. Anterior Tibial Tubercule - 2. Proximal Fibila - 3. Tibialis Anterior, Extensor Digitorum Longus & Peroneus Longus Muscles - 4. Gastrocnemius Muscle (Lateral Head) - 5. Gastrocnemius Muscle (Medial Head) - 6. Popleteus Muscle - 7. Soleus Muscle - - http://rad.usuhs.mil/rad/anatomy/knee/anatomic/axial/n_a1009.htm Downloaded by (-1)

14. 01 Knee coronal gross anatomical sections Coronal Posterior - 1. Medial Femoral Condyle - 2. Medial Tibial Plateau - 3. Lateral Femoral Condyle - 4. Lateral Tibial Plateau - 5. Fibular/Lateral Collateral Ligament (LCL) - 6. Biceps Femoris Muscle - 7. Gastrocnemious Muscle - Lateral Head - 8. Gastrocnemious Muscle - Medial Head - 9. Semimembranosis Muscle - 10. Sartorius Muscle - - Downloaded by (-1)

15. 02 Knee coronal gross anatomical sections Coronal Mid-Posterior - 1. Medial Femoral Condyle - 2. Medial Tibial Plateau - 3. Lateral Femoral Condyle - 4. Lateral Tibial Plateau - 5. Popleteus Tendon - 6. Medial Meniscus (body) - 7. Lateral Meniscus (body) - 8. Anterior Cruciate Ligament (ACL) - 9. Posterior Cruciate Ligament (PCL) - - Downloaded by (-1)

16. 03 Knee coronal gross anatomical sections Coronal Mid - 1. Medial Femoral Condyle - 2. Medial Tibial Plateau - 3. Lateral Femoral Condyle - 4. Lateral Tibial Plateau - 5. Medial Collateral Ligament - 6. Medial Meniscus (body) - 7. Lateral Meniscus (body) - 8. Anterior Cruciate Ligament (ACL) - 9. Posterior Cruciate Ligament (PCL) - 10. Ilial Tibial Band - - Downloaded by (-1)

17. 04 Knee coronal gross anatomical sections Coronal Mid-Anterior - 1. Medial Femoral Condyle - 2. Medial Tibial Plateau - 3. Lateral Femoral Condyle - 4. Lateral Tibial Plateau - 5. Medial Collateral Ligament - 6. Ilial Tibial Band - - Downloaded by (-1)

18. 01 Knee sagittal gross anatomical sections Sagittal Lateral - 1. Lateral Femoral Condyle - 2. Lateral Tibila Plateau - 3. Patella - 4. Fibular Head - 5. Fibular/Lateral Colateral Ligament (LCL) - - Downloaded by (-1)

19. 02 Knee sagittal gross anatomical sections Sagittal Lateral - 1. Lateral Femoral Condyle - 2. Lateral Tibila Plateau - 3. Anterior Tibial Tubercle - 4. Patella - 5. Fibular Head - 6. Biceps Femoris Muscle/Tendon - 7. Patellar Ligament - 8. Popliteus Tendon - 9. Lateral Meniscus (body) - - Downloaded by (-1)

20. 03 Knee sagittal gross anatomical sections Sagittal Lateral Condyle - 1. Lateral Femoral Condyle - 2. Lateral Tibila Plateau - 3. Patella - 4. Fibular Head - 5. Gastrocnemius Muscle (lateral head) - 6. Popliteus Tendon - 7. Quadraceps Tendon - 8. Patellar Ligament - 9. Biceps Femoris Muscle - 10. Lateral Meniscus (Anterior & Posterior Horns) - - Downloaded by (-1)

21. 04 Knee sagittal gross anatomical sections Sagittal Notch Lateral - 1. Medial Femoral Condyle - 2. Medial Tibila Plateau - 3. Patella - 4. Anterior Cruciate Ligament (ACL) - 5. Popliteus Muscle - - Downloaded by (-1)

22. 04 Knee sagittal gross anatomical sections Sagittal Notch Medial - 1. Medial Femoral Condyle - 2. Medial Tibila Plateau - 3. Semimembranosus Muscle - 4. Vastus Medialis Muscle - 5. Gastrocnemius Muscle (medial head) - 6. Posterior Cruciate Ligament (PCL) - 7. Meniscofemoral Ligament of Wrisberg - 8. Popliteus Muscle - - Downloaded by (-1)

23. 05 Knee sagittal gross anatomical sections Sagittal Medial Condyle - 1. Medial Femoral Condyle - 2. Medial Tibila Plateau - 3. Semimembranosus Muscle - 4. Vastus Medialis Muscle - 5. Gastrocnemius Muscle (medial head) - 6. Medial Meniscus (anterior & posterior horns) - - Downloaded by (-1)

24. 06 Knee sagittal gross anatomical sections Sagittal Medial - 1. Medial Femoral Condyle - 2. Medial Tibila Plateau - 3. Semitendinosus Tendon - 4. Semimembranosus Tendon - 5. Medial Meniscus (body) - 6. Gastrocnemius Muscle (medial head) - 7. Vastus Medialis Muscle - - Downloaded by (-1)

25. 06 Knee sagittal gross anatomical sections Sagittal Medial - 1. Gracilis Muscle/Tendon - 2. Medial Femoral Condyle - 3. Sartorius Muscle - 4. Gastrocnemius Muscle (medial head) - - Downloaded by (-1)

26. FINDINGS Normal knee gross anatomical sections.

27. DIFFERENTIAL DIAGNOSIS What is your Differential Diagnosis? Normal

28. Diagnosis: Knee gross anatomical sections Dx Confirmed by: N/A

29. DISCUSSION Normal knee gross anatomical sections.