Presentation
Pain and swelling over foot for the last 3 months; no history of trauma
Patient Data
Age: 6 years
Gender: Male
From the case:
Köhler disease
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- area of sclerosis noted within the navicular bone of left foot
From the case:
Köhler disease
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- navicular bone and head of talus appears hyperintense on STIR images
- peripheral enhancement of navicular bone and enhancing areas at head of talus on T1C+
- the enhanced areas are confirmed and better visualized on the SUBTRACTED images
Case Discussion
Case of osteonecrosis of the navicular bone of left foot.
Findings in favor of pathology:
- male child of pediatric age group (4-6yrs)
- suspicious areas of sclerosis on X-ray in the navicular and head of talus
- STIR hyperintensity representing bone edema
- no enhancement except for a peripheral rim of enhancement
The peripheral enhancing areas probably represent areas of hyperemia due to granulation tissue formation and bone repair.