Osteosarcoma: features
Osteosarcoma: features
PEARL HARBOR:
Paget's disease (10-20%)*
Early age (10-20 yrs)
Around knee
Raised periosteum by expanding tumor: "sunburst pattern"
Lace-like architecture
Hyaline arteoriosclerosis
Alkaline phosphatase increased
Retinoblastoma*
Boys, predominantly
Osteomyelitis DDx
Radiation*
· Sunburst pattern was Japanese Navy emblem during WWII.
*: Predisposing factors.
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