Abstract #5543

The role of in-bore MR-guided prostate biopsies in patients With discrepancy between MRI findings and TRUS biopsies

Sverre Langørgen¹, Brage Krüger-Stokke¹, Øystein Størkersen², May-Britt Tessem³, Helena Bertilsson⁴, Tone Frost Bathen³, and Kirsten Margrethe Selnæs³

¹Departement of Radiology and Nuclear Medicine, St Olavs Hospital, Trondheim, Norway, ²Department of Pathology and Genetics, St Olavs Hospital, Trondheim, Norway, ³Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, ⁴Departement of Urology, St Olavs Hospital, Trondheim, Norway

A retrospecive review of 34 patients who had been to former TRUS guided prostate biopsies, where there was a discrepancy between MRI reported tumor suspicious findings and histology. They were re-biopsied with MRGB. We could verify cancer in 14 of 24 patients with former negative or benign histology. We also upgraded 7 out of 10 patients from low-grade to intermidiate or high-grade cancer. In addition to finding former unknown cancers, we also found that the urologists settled with benign diagnoses from MRGB. They then decided to end investigations in these patients.

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