1. MedPix Medical Image Database COW - Case of the Week Case Contributor: Peter Vangeertruyden Affiliation: National Capital Consortium

2. MedPix No: 11729 - History Pt Demographics: Age = 32 y.o. Gender = man 32 year old male Downloaded by (-1)

3. MedPix No: 11729 - EXAM & LABS

4. Distal clavicle osteolysis Downloaded by (-1)

5. Distal clavicle osteolysis Downloaded by (-1)

6. Distal clavicle osteolysis Downloaded by (-1)

7. FINDINGS Distal clavicle osteolysis

8. DIFFERENTIAL DIAGNOSIS What is your Differential Diagnosis? Postraumatic osteolysis - Hyperparathyroidism - Erosion Rheumatoid Arthritis

9. Diagnosis: Distal clavicle osteolysis - likely postraumatic given patient's age Dx Confirmed by:

10. DISCUSSION