Radiological reasoning: bone marrow changes on MRI
Paul G Swartz1, Catherine C Roberts
1Department of Radiology, Mayo Clinic, 5777 E Mayo Blvd., Phoenix, AZ 85054, USA.
Objective:
Differentiating neoplastic from nonneoplastic bone marrow changes on imaging can be challenging. MRI provides the most helpful information when using T1-weighted and opposed-phase (chemical shift) sequences. We discuss the MRI assessment of bone marrow in the context of a complex clinical case.
Conclusion:
The case shows a false-positive result of opposed-phase imaging of bone marrow, which was a postinflammatory cause resulting in marrow fibrosis that mimicked neoplastic marrow infiltration and necessitated biopsy for definitive diagnosis.
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