Answers

Case 1

54 year old male with two year history of increasing swelling in left flank

Chondrosarcoma

Case 2

21 year old male with swelling and pain in left foot for six months

Synovial Cell Sarcoma

Case 3

15 year old male with swelling and pain in left forearm

Hemangioma

Case 4

22 month old female. Parents noted swelling in right buttock

Rhabdomyosarcoma

Case 5

26 year old female with ten year history of right knee pain with intermittent swelling

Synovial Osteochondromatosis

Case 6

43 year old female with pain in right knee

PVNS

Case 7

68 year old female with painless mass in right forearm

Low grade Liposarcoma

Case 8

22 year old male with new onset left hindfoot pain

Giant Cell Tumor

Case 9

70 year old female with swelling of the left calf

Popliteal Cyst

Case 10

63 year old female with history of breast cancer

Metastatic Breast Cancer