12 results
Osteosarcoma 
Most common primary malignant bone tumor in children 
Most Common Sites of Involvement:
1. Distal femur
Osteosarcoma Most ... palpation) #Osteosarcoma ... #Diagnosis #Features ... Peds #Pediatrics #BonyTumor
Representative X-ray appearance of a primary malignant bone tumor - Ewings Sarcoma
 • "Interrupted periosteal reaction
malignant bone tumor - Ewings ... bone tumor #Ewings ... LegXRay #Malignant #BoneTumor
Diagram of different types of bone tumors that can occur around the knee on XRay -
Osteoid osteoma • Ewing ... Chondroblastoma • Osteosarcoma ... #Bone #Tumors #Diagnosis
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
- Differential Diagnosis ... most common • Osteosarcoma ... Chondrosarcoma • Ewing's ... #Differential #Diagnosis
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
Osteoid osteoma • Ewing ... Chondroblastoma • Osteosarcoma ... sign • Parosteal Osteosarcoma ... #Differential #Diagnosis
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
the differential diagnosis ... the differential diagnosis ... NOF, SBC, CMF, Osteosarcoma ... Diaphysis: Ewing's
Benign Primary Bone Tumors: Pathogenesis of X-ray appearance
 • "Geographic" bone destruction
 • Lack of soft-tissue
periosteum) #Benign #BoneTumors ... #XRay #diagnosis
Malignant Bone Tumors: Pathogenesis of X-ray appearance

 • Metastatic bone tumors (aka. cancerous cells from systemic
bone tumor #BoneTumors ... Malignant #Radiology #Diagnosis
Bone Lesion on X-Ray - Differential Diagnosis Algorithm 
Exostotic
 • Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
 •
- Differential Diagnosis ... Cortical Bone • Osteosarcoma ... appearance) • Ewing's ... #Differential #Diagnosis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... - Leukemia - Ewing ... cell tumor - Osteosarcoma ... #differential #diagnosis