1. 7M

3. UBC

4. Dr. Tudor H. Hughes M.D., FRCR Department of Radiology University of California School of Medicine San Diego, California 45F swelling of arm with numbness of 2nd and 3rd fingers

5. Ax PDFSAx T1 *

6. Fibrolipomatous hamartoma of the median nerve with macrodystrophia lipomatosis Nerve territory directed macrodactyly Localised form of gigantism Median or Plantar nerves Possible relation with neurofibromatosis

7. Dr. Tudor H. Hughes M.D., FRCR Department of Radiology University of California School of Medicine San Diego, California 65M Pain in arm and leg

9. *

10. Fibrosarcoma of humerus Metastasis to femur Very aggressive tumour 3 rd most common primary malignant bone Osteosarcoma, chondrosarcoma Bony or soft tissue Looks like MFH Primary or secondary in Irradiation, Paget’s, dedifferentaion of chondro MFH in bone infarct

11. Description of bone lesion Age Location Axial Body or posterior elements Appendicular Epi, Met, Dia. Medullary, Eccentric, Cortical Size, shape, lytic, sclerotic Margins Geographic, Moth eaten, Permeative Wide or narrow zone of transition Periosteal reaction, Soft tissue mass Matrix

12. Dr. Tudor H. Hughes M.D., FRCR Department of Radiology University of California School of Medicine San Diego, California 35M 8w post injury

13. Cor T1 Cor T2

14. Post traumatic myositsis ossificans 4/52 Faint peripheral Ca Periosteal reaction 8/52 Circumscribed cortex Central lacy pattern 5/12 Maturity >6/12 Regression Separate from bone 1 year Usually disappears Periosteal reaction remains

15. Dr. Tudor H. Hughes M.D., FRCR Department of Radiology University of California School of Medicine San Diego, California 25M Blocker

16. *

17. Sport related myositis ossificans Single direct blow Repeated minor trauma Adductor longus-Rider’s bone Brachialis-Fencer’s bone Soleus-Dancer’s bone Blocker’s arm

18. Dr. Tudor H. Hughes M.D., FRCR Department of Radiology University of California School of Medicine San Diego, California 52F 8w post trauma

19. T2

20. Cor T1

22. T2 *

23. Myositis Ossificans Primary or Secondary to trauma Pseudo malignant ossification of soft tissue

24. Dr. Tudor H. Hughes M.D., FRCR Department of Radiology University of California School of Medicine San Diego, California 9M Swelling of arm

26. Infantile fibromatosis Rare, locally aggressive Usually sub Q Abdominal wall, buttocks, shoulder, upper arm, H+N ST mass, non calcified Periosteal reaction or pressure erosion