Cancers and Tumors

Question 1

What bone tumor would be likely in a teenage male with nigh pain relieved by aspirin?

Answer 1

osteoid osteoma

Question 2

An expansile, oval lucent lesion in the proximal phalanx of a 35 year-old female is most likely an?

Answer 2

enchondroma

Question 3

“onion skin” changes in the periosteum are typical of what bone tumor?

Answer 3

Ewing’s sarcoma

Question 4

“ground glass” tumor matrix is often seen with what bone tumor?

Answer 4

fibrous dysplasia

Question 5

Vitamin D deficiency is known as what disease in children? in adults?

Answer 5

children- ricketts

adults- osteomalacia

Question 6

can an enchondroma convert to a malignant lesion, and if so, what?

Answer 6

chondrosarcoma

Question 7

a pathological fracture of a unicameral bone cyst can result in what radiographic finding?

Answer 7

fallen fragment sign

Question 8

why is osteoid osteoma pain worse at night?

Answer 8

diurnal production of prostaglandins

Question 9

Name a bone tumor characterized by “chicken wire” calcification.

Answer 9

chondroblastoma