Podcast
Questions and Answers
A unicameral bone cyst is commonly found in adults in the diaphyseal region of long bones.
A unicameral bone cyst is commonly found in adults in the diaphyseal region of long bones.
False
The ‘fallen fragment’ sign is indicative of a unilocular bone cyst that has experienced a fracture.
The ‘fallen fragment’ sign is indicative of a unilocular bone cyst that has experienced a fracture.
True
On MRI, unicameral bone cysts return a low signal on T2 weighted sequences due to their content.
On MRI, unicameral bone cysts return a low signal on T2 weighted sequences due to their content.
False
Unicameral bone cysts often present with significant pain and swelling in affected individuals.
Unicameral bone cysts often present with significant pain and swelling in affected individuals.
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A unicameral bone cyst typically exhibits a wide zone of transition on x-ray imaging.
A unicameral bone cyst typically exhibits a wide zone of transition on x-ray imaging.
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Study Notes
Unicamerular Bone Cysts (Simple Bone Cysts)
- Benign, asymptomatic lesions.
- Primarily in children.
- Located in the metaphyseal region of long bones.
- Pain may arise from a fracture, with "fallen fragment" sign.
- "Fallen fragment" sign: small cortex fragment breaks off and settles within the cyst.
- X-ray shows lucent bone lesion, narrow zone of transition, absence of periosteal reaction and soft tissue component.
- MRI shows high signal on T2-weighted sequences due to fluid content.
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Description
This quiz covers the essential aspects of unicamerular bone cysts, also known as simple bone cysts. You'll learn about their characteristics, typical locations in children, and diagnostic imaging features. Test your knowledge on the clinical presentation and imaging findings associated with these benign lesions.
