A 15 year old boy was kicked in the leg during a football game.The coach put ice on it,and he seemed ok,but three weeks later,he still had pain above his knee that kept him awake at night.An x-ray revealed a large mass in the femur.A biopsy was performed,a representative section of which is shown in the accompanying photomicrograph.Which one of the following is the best diagnosis?
A)Chondrosarcoma
B)Fracture,with non-union
C)Osteogenic sarcoma
D)Osteoid osteoma
E)Paget's disease of bone

Question

A 15 year old boy was kicked in the leg during a football game.The coach put ice on it,and he seemed ok,but three weeks later,he still had pain above his knee that kept him awake at night.An x-ray revealed a large mass in the femur.A biopsy was performed,a representative section of which is shown in the accompanying photomicrograph.Which one of the following is the best diagnosis? 
A)Chondrosarcoma 
B)Fracture,with non-union 
C)Osteogenic sarcoma 
D)Osteoid osteoma 
E)Paget's disease of bone

Quizplus · Accepted Answer

The Answer is C

A 15 Year Old Boy Was Kicked in the Leg