Bone Lesion on X-Ray - Differential Diagnosis Algorithm
Exostotic
• Osteochondroma
Asymptomatic &/or Non-Active Bone Scam
• Unicameral Bone Cysts
• Aneurysmal Bone Cysts
• Non-ossifying Fibroma
Inflammatory Appearance
• Osteoid Osteoma ("Nidus" appearance)
• Osteoblastoma (may be malignant or sclerotic in appearance)
Not Inflammatory Appearance
• Chondroblastoma
• Chondromyxoid Fibroma
Multiple Lytic Lesions
• Multiple Myeloma
Benign - No Bone Mineralization
• Enchondroma (can calcify &/or turn malignant)
• Giant Cell Tumor ("Soap Bubble" appearance)
Malignant - Bone Mineralization, Constitutional Symptoms, Codman's Triangle, Excessive Scalloping & Destruction of Cortical Bone
• Osteosarcoma (Codman's Triangle)
• Chondrosarcoma ("Popcorn" appearance)
• Ewing's Sarcoma
#Bony #Mass #Tumor #BoneLesion #XRay #MSK #Differential #Diagnosis #Algorithm #Orthopedics #Causes
