Lucent lesions: Classic looks and locations Flashcards
long lesion in a long bone
FD
groundglass
FD
Lytic lesion with a hazy matrix
FD
chondroid matrix in the proximal humerus or distal femur
enchondroma
lucent lesion in the finger or toe
enchondroma
epiphseal tibial lesion in a teenager
chondroblastoma
epiphyseal equivalent lesion
chondroblastoma or GCT (technically grow into epiphysis)
lucent lesion in the greater trochanter
chondroblastoma
lucent lesion with a fallen fragment in the humerus
SBC
calcaneal lesion with central calcification
lipoma
lucent lesion in the skull in a kid
EG
vertebra plana kid
EG
vetebra plana adult
mets
sequestrum / nidus in the tiba / femur
osteoid osteoma
painful scoliosis
osteoid osteoma
calcified lesion in the posterior element of the c-spine
osteoblastoma
multiple sclerotic lesion
mets
multiple sclerotic lesions centered around a joint
osteopoikolosis
mutiple lucent lesions (older than 40)
mets, myeloma, metastatic NHL
nidus < 2.0 cm
osteoid osteoma
nidus > 2.0 cm
osteoblastoma
well-defined lytic lesoin in the cortex of a long bone with a sclerotic rim < cm
fibrous cortical defect
well-defined lytic lesion in the cortex of a long bone with sclerotic rim > 3 cm
NOF
chondral lesion in a long bone 1-2 cm
probably enchondroma
chondral lesion in a long bone >4-5 cm
increased risk of low-grade chondrosarcoma
