3. UNC MSK Course Day 9 Lab XR UNKNOWNS (for self study)

4. Pathology?

5. Inflammation of 1 st MTP joint

6. Pathology? Inflammation of 1 st MTP joint Gout

7. Pathology?

8. Medial joint space narrowing (mild)

9. Pathology? Medial joint space narrowing (mild) “Squaring of condyles” secondary to small osteophytes Early DJD Osteoarthritis

10. Pathology? Medial joint space narrowing (mild) “Squaring of condyles” secondary to small osteophytes Early DJD Osteoarthritis Normal knee for comparison round square

11. Pathology? Medial joint space narrowing (mild) “Squaring of condyles” secondary to small osteophytes Early DJD Osteoarthritis For extra credit note faint calcification of lateral meniscus from CPPD (pseudogout)

12. Pathology?

13. Lumps about joints Erosions over lumps with exposed white material

14. Pathology? Lumps about joints (tophi) Erosions over lumps with exposed white material (sodium urate crystals – tophi) Gout

15. Pathology?

16. Calcification of menisci

17. Pathology? Calcification of menisci CPPD (pseudogout)

18. Pathology?

19. Calcification of triangular fibrocartilaginous disc over ulnar head

20. Pathology? Calcification of triangular fibrocartilaginous disc over ulnar head CPPD (pseudogout)

21. Pathology?

22. 1.Joint space narrowing

23. Pathology? 1.Joint space narrowing 2.Osteophytes

24. Pathology? 1.Joint space narrowing 2.Osteophytes 3.Subchondral sclerosis

25. Pathology? 1.Joint space narrowing 2.Osteophytes 3.Subchondral sclerosis 4.Subchondral cysts

26. Pathology? 1.Joint space narrowing 2.Osteophytes 3.Subchondral sclerosis 4.Subchondral cysts These are the four classic radiographic findings in DJD

27. UNC Hospital at Dawn