DXI II Review Exam 1 Questions &
Answers 2025/2026
Cortical thickening is a sign of an ____ that is located in or near the cortex - ANSWERSOsteoid
osteoma
A GCT typically appears first in the ___ extending to the ___ spanning the subarticular surface -
ANSWERSMetaphysis; epipysis
Which bone shows a double density sign? - ANSWERSOsteoid osteoma
Which benign cartilaginous neoplasm shows a predilection for the epiphysis or apophysis of a
long bone? - ANSWERSChondroblastoma
Solitary mixed lesion on with flocculent calcification in a long bone; diff dx for that? -
ANSWERSEnchondroma or chondrosarcoma
Which joint are GCTs are most commonly found where? - ANSWERSKnee joint
What general radiographic appearance would be present in a chondrogenic bone neoplasm
without matrix mineralization? - ANSWERSPurely lytic lesion
What is the most typical outcome of FCD? - ANSWERSSpontaneous resolution
What is the most common location for SBC? - ANSWERSProximal numeral metaphysis
, MC Benign tumor fo the rib? - ANSWERSFibrous dysplasia
What is the triad for Gardner's syndrome? - ANSWERSColonic polyps
Soft tissue fibroma
Multiple osteomas
What is the triad for osteopoikilosis? - ANSWERSUsually asymptomatic
Can have joint pain
Multiple radiodense foci near joints
What is the triad for McCune Albright syndrome? - ANSWERSCafe au late - coast of Maine
Onset of mences early bc of endocrine abnormalities
Polyostotic FD
Neurofibromatosis - clinical triad? - ANSWERSCoast of California cafe au late spots
Osseous deformities - MC is kyphoscoliosis
Fibroma molluscum
Soft tissue hemangiomas on radiographs? - ANSWERSPhleboliths
What is associated with osteochondromas? - ANSWERSDysplasia epiphysealis hemimelica
(Trevor disease) - epiphyseal version (rare)
HME - multiple version
FEGNOMASHIC - ANSWERSF = fibrous dysplasia
E = enchondroma
Answers 2025/2026
Cortical thickening is a sign of an ____ that is located in or near the cortex - ANSWERSOsteoid
osteoma
A GCT typically appears first in the ___ extending to the ___ spanning the subarticular surface -
ANSWERSMetaphysis; epipysis
Which bone shows a double density sign? - ANSWERSOsteoid osteoma
Which benign cartilaginous neoplasm shows a predilection for the epiphysis or apophysis of a
long bone? - ANSWERSChondroblastoma
Solitary mixed lesion on with flocculent calcification in a long bone; diff dx for that? -
ANSWERSEnchondroma or chondrosarcoma
Which joint are GCTs are most commonly found where? - ANSWERSKnee joint
What general radiographic appearance would be present in a chondrogenic bone neoplasm
without matrix mineralization? - ANSWERSPurely lytic lesion
What is the most typical outcome of FCD? - ANSWERSSpontaneous resolution
What is the most common location for SBC? - ANSWERSProximal numeral metaphysis
, MC Benign tumor fo the rib? - ANSWERSFibrous dysplasia
What is the triad for Gardner's syndrome? - ANSWERSColonic polyps
Soft tissue fibroma
Multiple osteomas
What is the triad for osteopoikilosis? - ANSWERSUsually asymptomatic
Can have joint pain
Multiple radiodense foci near joints
What is the triad for McCune Albright syndrome? - ANSWERSCafe au late - coast of Maine
Onset of mences early bc of endocrine abnormalities
Polyostotic FD
Neurofibromatosis - clinical triad? - ANSWERSCoast of California cafe au late spots
Osseous deformities - MC is kyphoscoliosis
Fibroma molluscum
Soft tissue hemangiomas on radiographs? - ANSWERSPhleboliths
What is associated with osteochondromas? - ANSWERSDysplasia epiphysealis hemimelica
(Trevor disease) - epiphyseal version (rare)
HME - multiple version
FEGNOMASHIC - ANSWERSF = fibrous dysplasia
E = enchondroma
