Author Question: Osteosarcoma is the most common bone cancer in children. Where are most of the primary tumor sites? ... (Read 106 times)

skymedlock · **on:** Jun 28, 2018

Osteosarcoma is the most common bone cancer in children. Where are most of the primary tumor sites?

a. Femur c. Pelvis
b. Humerus d. Tibia

Question 2

The primary method of treating osteomyelitis is:

a. Joint replacement. c. Intravenous antibiotic therapy.
b. Bracing and casting. d. Long-term corticosteroid therapy.

Melissahxx · **Reply #1 on:** Jun 28, 2018

Answer to Question 1

ANS: A
Osteosarcoma is the most frequently encountered malignant bone cancer in children. The peak incidence is between ages 10 and 25 years. More than half occur in the femur. After the femur, most of the remaining sites are the humerus, tibia, pelvis, jaw, and phalanges.

Answer to Question 2

ANS: C
Osteomyelitis is an infection of the bone, most commonly caused by Staphylococcus aureus. The treatment of choice is antibiotics. Joint replacement, bracing and casting, and long-term corticosteroids are not indicated for infectious processes.