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Dynamic contrast-enhanced MR imaging and MR-guided bone biopsy on a 0.23 T open imager
R K Parkkola1, K T Mattila, J T Heikkilä
1Department of Diagnostic Radiology, University Hospital of Turku, Kiinamyllynkatu 4-8, FIN-20520 Turku, Finland. riitta.parkkola@tyks.fi
Objective:
To assess the feasibility of MR (magnetic resonance)-guided bone biopsies.
Design And Patients:
Thirty-six consecutive patients with known or suspected benign or malignant bone lesions underwent comprehensive MR imaging. A dynamic contrast-enhanced sequence followed by stationary T1-weighted sequences were obtained and MR-guided bone biopsy of the tumor at the site with fastest enhancement was performed using an open 0.23 T MR imager.
Results:
All MR-guided bone biopsies samples were estimated to be sufficient by the pathologists. The biopsy specimens were diagnostic in 34 of 36 cases.
Conclusion:
MR-guided bone biopsies combined with dynamic contrast-enhanced imaging are feasible and safe for the diagnostic investigation of equivocal bone lesions.