Imaging Questions and
Answers
Osteochondroma
Ans- Most common BBT of appendicular skeleton
Sessile or pedunculated (coat hanger exostosis/cauliflower like)
Ans- What are the two types of Osteochondromas?
Hereditary Multiple Exostosis
Ans- Multiple osteochondromas are called...
20% become malignant.
,Ans- What complication can arise with Hereditary Multiple Exostosis?
Diaphyseal/metaphyseal location. *Centrally located*.
Ans- Simple bone cysts are found where?
Simple Bone Cysts
Ans- Associated with "fallen fragment" sign
Unicameral Cyst
Ans- Another name for simple bone cysts
Diaphyseal/metaphyseal location. *Eccentrically located*.
Ans- Anuerysmal bone cysts are found where?
<20
Ans- What age is at risk for simple bone cysts?
,<20
Ans- What age is at risk for aneurysmal bone cysts?
Epiphyseal/metaphyseal, 20-40 years old.
Ans- Where can you find Giant Cell Tumors? What age gets them?
Giant Cell Tumor
Ans- Soap Bubble Appearance
Quasi-malignant.
Ans- 20% of the time, Giant Cell Tumors are ____________________
Osteoid Osteoma and Brodie's Abscess
Ans- Night pain relieved by aspirin
Osteoid osteoma
Ans- Radiolucent central nidus with severe reactive sclerosis
, Brodie's abscess
Ans- Appears like an osteoid osteoma.
Enchondroma
Ans- Most common BBT of the hand.
Ollier's disease
Ans- Multiple enchondromas are called...
Enchondroma
Ans- May have a stippled appearance.
10-50% rate of malignant degeneration
Ans- Ollier's disease is at what risk for what complication?
Enchondromas with soft tissue calcification