alexa The role of 3-dimensional mapping biopsy in decision making for treatment of apparent early stage prostate cancer.


Archives of Surgical Oncology

Author(s): Barqawi AB, Rove KO, Gholizadeh S, ODonnell CI, Koul H,

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Abstract PURPOSE: We determined the impact of a grid based, transperineal 3-dimensional mapping biopsy on decision making for primary management of early stage prostate cancer. MATERIALS AND METHODS: We prospectively performed 3-dimensional mapping biopsy on 180 consecutive men who presented to our clinic between 2006 and 2009 with early stage, organ confined prostate cancer based on transrectal ultrasound guided 10 to 12-core biopsy, and on 35 with prior negative transrectal ultrasound biopsies. RESULTS: At presentation median patient age was 60.5 years (range 43 to 77), median prostate specific antigen was 4.8 ng/ml (range 0.5 to 72.4) and median prostate volume was 35 cc (range 9 to 95). The median number of cores acquired by transrectal ultrasound and 3-dimensional mapping biopsy was 12 and 56, and the median number of positive cores was 1 and 2, respectively. We documented Gleason score upgrade in 49 of 180 cases (27.2\%) and up-stage in 82 (45.6\%). The incidence of urinary retention catheter requirement of greater than 48 hours was 3.2\% and the incidence of transient orthostatic hypotension was 5\%. No urinary tract infections were documented. A total of 38 men received radical extirpative therapy, 11 radiation and 45 cryotherapy while 60 enrolled in a targeted focal therapy study, 44 entered active surveillance and 5 underwent other focal investigational treatments. Post-mapping data on 12 men were not available for analysis. CONCLUSIONS: Three-dimensional mapping biopsy revealed that a significant portion of men initially diagnosed with apparently low risk disease harbored clinically significant cancers requiring more aggressive therapy. The technique also enabled a number of men with low risk disease to elect surveillance or another less morbid option. Copyright © 2011 American Urological Association Education and Research, Inc. Published by Elsevier Inc. All rights reserved. This article was published in J Urol and referenced in Archives of Surgical Oncology

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