Answers

Case 1

26 year old male presents with one year of left knee pain and six months of swelling in the area

Osteosarcoma

Case 2

37 year old male presents with discomfort of right gluteal region surgical site, and increasing numbness and tingling over dorsum of right foot

Fibromatosis

Case 3

30 year old male with a five year history of a dull ache and mass in the left fifth toe

Synovial Osteochondroma

Case 4

64 year old female with a two month history of mass over right wrist, with increasing pain and swelling

Aggressive Giant Cell Tumor of Bone

Case 5

34 year old female with a three year history of right knee mass

Malignant Adnexal Neoplasm

Case 6

74 year old male with a one month history of right arm pain

Metastatic Adenocarcinoma – Primary Lung

Case 7

65 year old male with a one year history of an enlarging painless right shoulder mass

Grade II Spindle Cell Sarcoma

Case 8

32 year old female with a two month history of left shoulder and arm pain

Grade 1/2 Chondrosarcoma

Case 9

4 year old female with an eight month history of limping and favoring the left lower extremity

Chronic Multifocal Osteomyelitis