Peak incidence of osteosarcoma occurs at:-: (A) 2nd decade, (B) 3rd decade, (C) 5th decade, (D) 6th decade
Answer is A. * The most common bone tumor of 1st decade is Ewing's sarcoma.* The most common bone tumor of 2nd decade is osteosarcoma.* Both osteosarcoma and Ewing's sarcoma peak in 2nd decade (10-20 years of age).