Bone Tumors ABFAS Exam Questions and Answers All Correct

Bone Tumors ABFAS Exam Questions and Answers All Correct Complete sclerotic rim - Answer- Benign lesion Epiphyseal, solitary, lytic lesion with sclerotic rim - Answer- Chondroblastoma, enchondroma, GCT Epiphyseal, solitary, lytic lesion with out sclerotic rim - Answer- GCT, Chondrosarcoma "Kissing" bones (lytic lesion in contiguous epiphyses) - Answer- GCT, angiosarcoma, pigmented villonodular synovitis, infection Cumulus cloud - Answer- Osteosarcoma, Stress fracture Ground glass - Answer- Fibrous dysplasia, osteoblastoma, grade 1 osteosarcoma Ring-like to popcorn desnity - Answer- Enchondroma and secondary chondrosarcoma Poorly demarcated, expansile lesion with windblown calcifications - AnswerChondrosarcoma Expansile, trabeculated lesion - Answer- Grade 1 sarcoma, GCT, myeloma Finger-in-the-balloon - Answer- ABC Fallen fragment sign - Answer- Simple bone cyst Codman's triangle - Answer- Osteosarcoma, osteomyelitis, ABC Onion-skinning - Answer- Ewing sarcoma, osteomyelitis, osteosarcoma, eosinophilic granuloma Bone expansion - Answer- Benign tumor, grade 1 sarcoma, myeloma, metastasis Cartilaginous Tumors - Answer- Radiolucent matrix with punctate or spotty areas of calcification Enchondroma Osteochondroma Chondroblastoma Chondromyxoid Fibroma Chondrosarcoma