Abstract
Teaching point: Unexplained bone marrow edema on MRI warrants further investigation with CT to demonstrate a nidus which is pathognomonic for an osteoid osteoma.

Teaching point: Unexplained bone marrow edema on MRI warrants further investigation with CT to demonstrate a nidus which is pathognomonic for an osteoid osteoma.
© 2021 Aspara van Straaten, Stefan Clockaerts, Filip Vanhoenacker, published by Ubiquity Press
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