Diagram of different types of bone tumors that can occur around the knee on XRay - Age < 30 years • Fibrous Dysplasia • Osteochondroma: pedunculated, sessile, cauliflower • Enostosis/bone island • Osteomyelitis or other aggressive lesion • Simple/unicameral bone cyst • Aneurysmal bone cyst • Osteoid osteoma • Ewing sarcoma • Enchondroma • Chondroblastoma • Osteosarcoma • Non-ossifying fibroma Dr. Matt Skalski @docskalski #Knee #Bone #Tumors #Diagnosis #Bony #Differential #Radiology #XRay #peds #pediatrics #msk #lesions #adult