ABFAS BONE TUMORS EXAM QUESTIONS WITH A 100% CORRECT ANSWERS 2024

ABFAS BONE TUMORS EXAM QUESTIONS WITH A

100% CORRECT ANSWERS 2024




Complete sclerotic rim - ✔✔Benign lesion

Epiphyseal, solitary, lytic lesion with sclerotic rim - ✔✔Chondroblastoma,

enchondroma, GCT

Epiphyseal, solitary, lytic lesion with out sclerotic rim - ✔✔GCT,

Chondrosarcoma

"Kissing" bones (lytic lesion in contiguous epiphyses) - ✔✔GCT,

angiosarcoma, pigmented villonodular synovitis, infection

Cumulus cloud - ✔✔Osteosarcoma, Stress fracture

Ground glass - ✔✔Fibrous dysplasia, osteoblastoma, grade 1

osteosarcoma

Ring-like to popcorn desnity - ✔✔Enchondroma and secondary

chondrosarcoma

Poorly demarcated, expansile lesion with windblown calcifications -

✔✔Chondrosarcoma

, Expansile, trabeculated lesion - ✔✔Grade 1 sarcoma, GCT, myeloma

Finger-in-the-balloon - ✔✔ABC

Fallen fragment sign - ✔✔Simple bone cyst

Codman's triangle - ✔✔Osteosarcoma, osteomyelitis, ABC

Onion-skinning - ✔✔Ewing sarcoma, osteomyelitis, osteosarcoma,

eosinophilic granuloma

Bone expansion - ✔✔Benign tumor, grade 1 sarcoma, myeloma,

metastasis

Cartilaginous Tumors - ✔✔Radiolucent matrix with punctate or spotty

areas of calcification

Enchondroma

Osteochondroma

Chondroblastoma

Chondromyxoid Fibroma

Chondrosarcoma

Enchondroma - ✔✔Tubular bones

Age: 10-50

Geographic lucent lesion which may be expansile

Ollier's Disease: multiple enchondromas, dyschondroplasia