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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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