NBCE Part III Radiology Findings Summary
Abdominal Aortic Aneurysm CORRECT ANSWERS: Linear calcification anterior to L1-L4 on
a lateral X-ray
Achondroplasia CORRECT ANSWERS: Champagne glass pelvic inlet
Flared Metaphysis
Acromegaly CORRECT ANSWERS: Large Sella Turcica, Prominent EOP, arrowhead terminal
phalanges
Aneurysmal Bone Cyst CORRECT ANSWERS: Soap-bubble osteolytic lesion filled with blood,
Ballooning of cortex
Most commonly found in the distal femur
Ankylosing Spondylitis CORRECT ANSWERS: Shiny corner sign, dagger sign, bamboo spine,
Romanus lesions, trolley track sign, thin syndesmophytes
Charcot's Joints CORRECT ANSWERS: Disorganized joint with debris and destruction
CPPD CORRECT ANSWERS: Linear calcification in the articular cartilage of the KNEE
(chondrocalcinosis)
Chondroma CORRECT ANSWERS: Well-circumscribed lucent lesion, near the epiphysis
Chondroblastoma CORRECT ANSWERS: Oval subarticular epiphyseal lytic lesion, found
mainly in the FEMUR
Chondromyxoid Fibroma CORRECT ANSWERS: Elongated lesion eccentrically located
Thins the cortex
Chondrosarcoma CORRECT ANSWERS: Intramedullary lytic lesion
Speckled Calcification
Cleidocranial Dysostosis CORRECT ANSWERS: Absent Clavicles, multiple wormian bones,
pear-shaped skull
Congenital Hip Dysplasia CORRECT ANSWERS: Putti's Triad: Lateral femoral displacement,
small femoral epiphysis, decreased acetabular angle.
Down's Syndrome CORRECT ANSWERS: ADI >5mm in a child
Ewing's Sarcoma CORRECT ANSWERS: Widening of the long bone shaft, onion-skin
appearance
, Fibrous Dysplasia CORRECT ANSWERS: Shephard's crook, Circumscribed lytic lesion,
Ground Glass
Commonly seen in the femur
Giant cell tumor CORRECT ANSWERS: Eccentric subarticular lesion, crosses metaphyseal line
Usually seen in the distal femur or proximal tibia
Gout CORRECT ANSWERS: Soft tissue swelling, periarticular bone erosion, overhanging edge
sign
Hemachromatosis CORRECT ANSWERS: Beak-like spurs on the radial side of metacarpal
heads
Hemangioma CORRECT ANSWERS: Osteolytic
Corduroy cloth appearance
Hemophilia CORRECT ANSWERS: Articular irregularity, prominent intercondylar groove
Mainly seen in the femur
Hyperparathyroidism CORRECT ANSWERS: Salt and Pepper skull, rugger jersey spine, acro-
osteolysis, picture frame vertebra.
Bone cysts usually found in hands, long bones, and skull
Lead poisoning CORRECT ANSWERS: Thick transverse radiodense metaphysis (Lead Line)
Legg-Calve Perthes disease CORRECT ANSWERS: Small femoral Epiphysis
Mushroom deformity
Lymphoma CORRECT ANSWERS: Ivory Vertrebra
Punched-out lytic lesion
Multiple Myeloma CORRECT ANSWERS: Punched-out lesion, diffuse osteoporosis, raindrop
skull
Non-ossifying fibroma CORRECT ANSWERS: Solitary radiolucent defect
Inside looks like a bunch of grapes
Osteitis Condensens Ilii CORRECT ANSWERS: Triangular sclerosis of the Ilium near the SI
Osteoarthritis CORRECT ANSWERS: Joint space narrowing, osteophytes, subchondral
sclerosis
Osteopoikilosis CORRECT ANSWERS: Multiple rounded radiopacities (normal variant)
Osteoblastoma CORRECT ANSWERS: Eccentric lytic lesion in the metaphysis OR diaphysis
Abdominal Aortic Aneurysm CORRECT ANSWERS: Linear calcification anterior to L1-L4 on
a lateral X-ray
Achondroplasia CORRECT ANSWERS: Champagne glass pelvic inlet
Flared Metaphysis
Acromegaly CORRECT ANSWERS: Large Sella Turcica, Prominent EOP, arrowhead terminal
phalanges
Aneurysmal Bone Cyst CORRECT ANSWERS: Soap-bubble osteolytic lesion filled with blood,
Ballooning of cortex
Most commonly found in the distal femur
Ankylosing Spondylitis CORRECT ANSWERS: Shiny corner sign, dagger sign, bamboo spine,
Romanus lesions, trolley track sign, thin syndesmophytes
Charcot's Joints CORRECT ANSWERS: Disorganized joint with debris and destruction
CPPD CORRECT ANSWERS: Linear calcification in the articular cartilage of the KNEE
(chondrocalcinosis)
Chondroma CORRECT ANSWERS: Well-circumscribed lucent lesion, near the epiphysis
Chondroblastoma CORRECT ANSWERS: Oval subarticular epiphyseal lytic lesion, found
mainly in the FEMUR
Chondromyxoid Fibroma CORRECT ANSWERS: Elongated lesion eccentrically located
Thins the cortex
Chondrosarcoma CORRECT ANSWERS: Intramedullary lytic lesion
Speckled Calcification
Cleidocranial Dysostosis CORRECT ANSWERS: Absent Clavicles, multiple wormian bones,
pear-shaped skull
Congenital Hip Dysplasia CORRECT ANSWERS: Putti's Triad: Lateral femoral displacement,
small femoral epiphysis, decreased acetabular angle.
Down's Syndrome CORRECT ANSWERS: ADI >5mm in a child
Ewing's Sarcoma CORRECT ANSWERS: Widening of the long bone shaft, onion-skin
appearance
, Fibrous Dysplasia CORRECT ANSWERS: Shephard's crook, Circumscribed lytic lesion,
Ground Glass
Commonly seen in the femur
Giant cell tumor CORRECT ANSWERS: Eccentric subarticular lesion, crosses metaphyseal line
Usually seen in the distal femur or proximal tibia
Gout CORRECT ANSWERS: Soft tissue swelling, periarticular bone erosion, overhanging edge
sign
Hemachromatosis CORRECT ANSWERS: Beak-like spurs on the radial side of metacarpal
heads
Hemangioma CORRECT ANSWERS: Osteolytic
Corduroy cloth appearance
Hemophilia CORRECT ANSWERS: Articular irregularity, prominent intercondylar groove
Mainly seen in the femur
Hyperparathyroidism CORRECT ANSWERS: Salt and Pepper skull, rugger jersey spine, acro-
osteolysis, picture frame vertebra.
Bone cysts usually found in hands, long bones, and skull
Lead poisoning CORRECT ANSWERS: Thick transverse radiodense metaphysis (Lead Line)
Legg-Calve Perthes disease CORRECT ANSWERS: Small femoral Epiphysis
Mushroom deformity
Lymphoma CORRECT ANSWERS: Ivory Vertrebra
Punched-out lytic lesion
Multiple Myeloma CORRECT ANSWERS: Punched-out lesion, diffuse osteoporosis, raindrop
skull
Non-ossifying fibroma CORRECT ANSWERS: Solitary radiolucent defect
Inside looks like a bunch of grapes
Osteitis Condensens Ilii CORRECT ANSWERS: Triangular sclerosis of the Ilium near the SI
Osteoarthritis CORRECT ANSWERS: Joint space narrowing, osteophytes, subchondral
sclerosis
Osteopoikilosis CORRECT ANSWERS: Multiple rounded radiopacities (normal variant)
Osteoblastoma CORRECT ANSWERS: Eccentric lytic lesion in the metaphysis OR diaphysis
