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Slice 6 of 1
Can you make the diagnosis?
Review the images, then reveal
XRMusculoskeletalConfirmedFRCR 2B
Chondromyxoid fibroma
Clinical Presentation
Knee pain and swelling
- 1Expansile lesion of the proximal tibia with sharp zones of transition and expansion
- 2It reaches the articular surface without breach of the cortex here or elsewhere
- 3No matrix calcification or soft tissue component
- 4MRI demonstrates the lesion to have a very high T2 signal, low T1 signal with diffuse somewhat heterogeneous contrast enhancement
- 5There is no surrounding oedema (neither in the bone nor in the adjacent soft tissues)
- 6Distribution of chondromyxoid fibromasDistribution of chondromyxoid fibromas
- 7Layout and distribution: Frank Gaillard 2012, Line drawing of skeleton: Patrick Lynch 2006, Creative Common NC-SA-BY Bone scan demonstrates thin peripheral increased activity
- 8It is an isolated abnormality.