Tumors Flashcards
Multiple Myeloma Age Gender Locations Description
MC: Primary malignant bone tumor 50-70 Males Rain Drop Skull, punched out lesions Expansile lytic destructive lesions
Osteosarcoma Age Gender Locations Description
MC: primary malignant in kids, 2nd MC primary CA
10-25 years old
Males
Metaphysis: Distal femur, proximal tibia, Proximal humerus
Codman’s triangle, permeative, sunburst/spiculated
Early pulmonary mets
Chondrosarcoma Age Gender Locations Description
3rd MC primary malignant CA 40-60 Males Proximal humerus, femoral neck, rib, sternum, pelvis Endosteal scalloping, popcorn matrix
Ewing Sarcoma Age Gender Locations Description
2nd MC Primary Malignant KIDS, 4th MC primary malignant
10-25
Males
DIAPHYSEAL
Onion skinning, cortical saucerization, Mets to lungs
Giant Cell Tumor (osteoclastoma) Age Gender Locations Description
MC: benign tumor of SACRUM 20-40 years Equal Metaphyseal/epiphyseal: subarticular Soap Bubble appearance Eccentric, geographic, subarticular destructive changes
Solitary Osteochondroma Age Gender Locations Description
MC Benign Tumor Under 20 Males Supracondylar/Diaphyseal Sessile/Pedunculated
Herediatary Multiple Exostosis Age Gender Locations Description
AKA: Diaphyseal Achalasia 2-10 Males Metaphysis of long bones 4+ Osteochondromas
Madelung’s Deformity and HME?
Impaired bone growth, short ulna, bowing of radius, subluxation of radioulnar joint
Simple Bone Cyst Age Gender Locations Description
PROXIMAL HUMERUS, femur, fibula calcaneal neck, talus 3-14 years old Males Metaphyseal, central, LOCULATED Fallen Fragment Sign
Aneurysmal bone cyst Age Gender Locations Description
ACUTE PAIN ONSET 10-30, typically under 20 years FEMALES! Spine- posterior portions, Metaphyseal, ECCENTRIC, expansile
Osteoblastoma Age Gender Locations Description
2+ cm, Dull insidious pain, NOT RELIEVED BY ASPIRIN/Salycate 10-20 years old Males Spine (Neural Arch), Long bones Painful scoliosis,
Osteoid Osteoma Age Gender Locations Description
Salicylates relieve pain at night 10-25 years Males Meta/diaphysis of long bones in prox femur, prox tib, humerus Nidus, <1cm
Osteoma Age Gender Locations Description
Adulthood
N/A
Gardners syndrome
Paranasal sinuses
Enchondromas Age Gender Locations Description
MC Benign tumor of hand 10-30 years old Equal Central and meta/diaphyseal Slightly expansile,
Multiple Enchondromas?
Olliers
Hemangiomas Age Gender Locations Description
4th/5th decade
FEMALES
SPINE
corduroy/honeycomb/accordian
Chondroblastoma Age Gender Locations Description
Proximal femur 5-25 years Males Epiphysis/apophysis Subarticular, asymptomatic, some pain discomfort
Fibrous cortical defect Age Gender Locations Description
ASYMPTOMATIC
2-8
Eccentric/metaphyseal
Distal Femur
Nonossifying Fibroma Age Gender Locations Description
8-20 years
Distal Tibia
Eccentric/metadiaphyseal
Paget's (osteitis deformans) Age Gender Locations Description
Cortical thickening/VERY small portion become malignant
55+
Males
Polyostotic/assymetric/
Osteoporosis circumscripta/cotton wool/basilar invagination/RIM sign/Brim Sign/Picture frame vertebra/acetabular protrusion/ivory vertebra/Shepards crook deformity/High output cardiac failure
Fibrous Dysplasia Age Gender Locations Description
caffe au lait spots/proptosis (eye bulging)
First/second decade
RIND SIGN
Ground Glass appearance, HAZY middle
