5. Chondrosarcoma

Question 1

Malignant tumor arising from Chondroblasts and Collagenoblasts

Answer 1

Chondrosarcoma

Question 2

Primary within bone and Secondary arising from a preexisting cartilagenous lesion

Answer 2

Chondrosarcoma

Question 3

3rd mc primary malignant bone tumor

Answer 3

Chondrosarcoma

Question 4

Chondrosarcoma is most commonly found where and in who?

Answer 4

MC in pelvis, proximal femur and flat bones in 40-60 yo

Question 5

Large, radiolucent, round or oval lesion with poorly defined margins

Answer 5

Chondrosarcoma

Question 6

Popcorn, fluffy, stippled, cotton wool, rings, and broken rings of calcification in mass

Answer 6

Chondrosarcoma

Question 7

best treatment for chondrosarcoma

Answer 7

Surgery (decent prognosis)

Question 8

Area of bone destruction accompanied by partial calcification, no periosteal reaction, soft tissue extension

Answer 8

Chondrosarcoma