Orthopedic neoplasms

Question 1

Osteogenic sarcoma- Eti

Answer 1

Common in children & adolescents, secondary to other sarcomas in adults. Metaphysis of long bones- femur, tibia & humerus

Question 2

Osteogenic sarcoma-Sx

Answer 2

Pain and swelling. Dilated veins, mass over site, pathologic fractures

Question 3

Osteogenic sarcoma- Dx

Answer 3

X-ray & biopsy of leading edge

Question 4

Osteogenic sarcoma- Tx

Answer 4

Methotrexate, resection of tumor

Question 5

Chondrosarcoma- Eti

Answer 5

30-60 yo. Men, pelvis & femur most common- flat bones.

Question 6

Chondrosarcoma- Sx

Answer 6

Local minimal pain x years, absence of osteoid formation

Question 7

Chondrosarcoma- Dc

Answer 7

X-ray

Question 8

Ewing Sarcoma- Eti

Answer 8

Adolescence, diaphysial region or long bones, aggressive systemic disease

Question 9

Ewing Sarcoma- Sx

Answer 9

Pain, tenderness, fever & leukocytosis large soft tissue mass,

Question 10

Ewing Sarcoma- Dx

Answer 10

Onion peel on x-ray

Question 11

Ewing Sarcoma- Tx

Answer 11

Agressive systemic chemotherapy, surg resection

Question 12

Giant cell tumor- Eti

Answer 12

Benign, agressive tumor. Females 20-40 , knee, verterbra, radius & sacrum

Question 13

Giant cell tumor- Tx

Answer 13

Surg: Cortical widening, curettage, bone grafts

Question 14

Giant cell tumor- Sx

Answer 14

Pain, swelling, joint movement limited

Question 15

Enchondroma- Eti

Answer 15

Long bones

Question 16

Enchondroma- Sx

Answer 16

Silent lesion-> produces pathologic fracture

Question 17

Enchondroma- Dx

Answer 17

Fingernails through clay on x-ray

Question 18

Enchondroma- Tx

Answer 18

Curettage & grafting

Question 19

Osteochondroma- Eti

Answer 19

Most common benign bone tumor in children, developmental defect in growth plate. Males

Question 20

Osteochondroma- Sx

Answer 20

Pain free mass- pain caused by overlying bursitis, or tendonitis

Question 21

Osteochondroma- Tx

Answer 21

If interferes with function