OSTEOSARCOMA
Also known as Osteogenic sarcoma
Definition :It is the 2nd most common and highly malignant primary tumor of
Most common tumor in children : primary osteosarcoma
Secondary osteosarcoma – older population
CLASSIFICATION
1. On the basis of clinical setting :-
a)Primary osteosarcoma :
• Commonest
• Age :15-25years
• Much more malignant than the secondary
b)Secondary osteosarcoma
• Older age
• Associated with Paget’sdisease, Multiple endochondramatosis,fibrous dy
irradiation to bones,multiple osteochondroma.
Also known as Osteogenic sarcoma
Definition :It is the 2nd most common and highly malignant primary tumor of
Most common tumor in children : primary osteosarcoma
Secondary osteosarcoma – older population
CLASSIFICATION
1. On the basis of clinical setting :-
a)Primary osteosarcoma :
• Commonest
• Age :15-25years
• Much more malignant than the secondary
b)Secondary osteosarcoma
• Older age
• Associated with Paget’sdisease, Multiple endochondramatosis,fibrous dy
irradiation to bones,multiple osteochondroma.
