Osteosarcoma Flashcards
1
Q
Osteosarcoma description
A
(10-25 yo) Undifferentiated connective tissue produces neoplastic osteoid
2
Q
Osteosarcoma S/SX
A
painful swelling, pain becomes severe; systemic signs unusual
3
Q
Osteosarcoma location
A
metaphysis of long bone (especially distal femur, proximal tibia, proximal humerus) - b/c a lot of growth at these areas
4
Q
Osteosarcoma plain film findings
A
most sclerotic, but some are lytic (scarier ones); cumulus cloud appearance (specific to OS)
5
Q
Osteosarcoma ddx
A
ewings
6
Q
Osteosarcoma other
A
↑ alkaline phosphatase; metastasis to lungs common (also to other bones)
