Specific Findings/Signs Flashcards
Fallen fragment sign=
Simple bone cyst
Double density sign=
Osteoid osteoma
Fluid fluid levels=
Aneurysmal bone cyst
Rind sign=
Fibrous dysplasia
Osteoporosis circumscripta=
Paget’s lytic phase
Rim sign=
Paget’s pelvis, mixed
One eyed pedicle sign=
Lytic metastasis
Blade of grass/candle flame sign=
Paget’s lytic phase in long bones
Picture frame vertebra=
Paget’s mixed in vertebra
Ivory vertebra=
Metastasis
Paget’s
Lymphoma
Raindrop skull, cortical tunneling, one eyed pedicle sign (rare)?
Multiple Myeloma
Extrapleural sign?
Solitary plasmacytoma
“Sunburst” periosteal reaction?
Osteosarcoma
“Cannonball metastasis?”
Osteosarcoma
“Popcorn matrix calcification,” “endosteal scalloping,” “C shapes,” “big bag of cartilage?”
Chondrosarcoma
“cortical saucerization?”
Ewings sarcoma
“onion skin/laminated?”
Ewings sarcoma
“En face” cartilaginous cap?
Solitary osteochondroma
“Coat hangar exostosis” and “cauliflower sign?”
Solitary osteochondroma
Madelung/bayonet deformity?
HME/diaphyseal achalasia
“Truncated cone appearance,” “fallen fragment sign?”
Solitary/simple bone cyst
“Fusiform bone expansion?”
ABC
“Brodies abscess?”
Osteoid osteoma
Associated with Garnders syndrome?
Osteoma
