age and locations Flashcards
multiple myeloma
50-80
axial skeleton
metastatic bone disease
over 40
areas with red marrow
solitary plasmacytoma
vertebra>pelvis>skull>sternum>ribs
osteosarcoma
primary (10-25)
secondary (over 60)
distal femur, proximal tibia, proximal humerus
chondrosarcoma
over 50
PELVIS
proximal humerus, neck of femur, ribs, sternum
ewings sarcoma
10-25
long tubeular bones under 20
flat bones over 20
diaphyseal, metadiaphyseal
giant cell tumor
20-40
85% in long bones
solitary osteochondroma
under 20
metaphysis of long bones
flat bones
hereditary multiple exostosis
2-10
metaphysis of long bones
flat bones
simple/solitary/unicameral bone cyst (SBC)
3-14
60-70% proximal humerus and femur
aneurysmal bone cyst (ABC)
10-30 (70%) below age 20
spine in 30% likes the post. elements
long bones - metaphysis
flat bones - pelvis
osteoblasgtoma
10-20
spine (post. neural arch structures)
long bones
small bones of hand and feet
osteoid osteoma
10-25
metaphysis and diaphysis of long bones
spine - post. elements of lower T and upper L
no bone exempt
osteoma
adulthood
paranasal sinuses
inner/oouter table of calvarium
occasionally mandible or nasal bones
enchondroma
10-30
small bones of wrist and hands
long bones
centra and meta/diaphyseal
hemangioma
40-50 10-25 benign lower T and upper L bodies calvarium with tendency for frontal bone
Chondroblastoma
8-59 but peak is around 5-25
epiphysis or apophysis in sub articular location like proximal femer
fibrous cortical defect
2-10 with peak from 7-8
metaphyseal cortex of long bones of lower extremity
non-ossifying fibroma
8-20 with peak during 20’s
long bones of the lower extremity
eccentric metadiaphyseal
Paget’s disease
over 55, over 85
pelvic (MC)
polyostotic, asymmetric
Fibrous dysplasia
10-20
monostotic
ribs, proximal femur, craniofacial bones
polyostotic unilateral asymmetric long bones
