Three‐dimensional analysis of systematic biopsy‐derived prostate cancer upgrading over targeted biopsy: Potential of target margin and surrounding region sampling using magnetic resonance–ultrasound image fusion systems

Author(s):  
Yoh Matsuoka ◽  
Sho Uehara ◽  
Soichiro Yoshida ◽  
Hajime Tanaka ◽  
Minato Yokoyama ◽  
...  
2017 ◽  
Vol 120 (2) ◽  
pp. 233-238 ◽  
Author(s):  
Toshitaka Shin ◽  
Thomas B. Smyth ◽  
Osamu Ukimura ◽  
Nariman Ahmadi ◽  
Andre Luis de Castro Abreu ◽  
...  

2019 ◽  
Vol 76 (3) ◽  
pp. 284-303 ◽  
Author(s):  
Veeru Kasivisvanathan ◽  
Armando Stabile ◽  
Joana B. Neves ◽  
Francesco Giganti ◽  
Massimo Valerio ◽  
...  

2017 ◽  
Vol 11 (1-2) ◽  
pp. 1 ◽  
Author(s):  
Masoom A. Haider ◽  
Xiaomei Yao ◽  
Andrew Loblaw ◽  
Antonio Finelli

This clinical guideline focuses on: 1) the use of multiparametric magnetic resonance imaging (mpMRI) in diagnosing clinically significant prostate cancer (CSPC) in patients with an elevated risk of CSPC and who are biopsy-naïve; and 2) the use of mpMRI in diagnosing CSPC in patients with a persistently elevated risk of having CSPC and who have a negative transrectal ultrasound (TRUS)-guided systematic biopsy.The methods of the Practice Guideline Development Cycle were used. MEDLINE, EMBASE, the Cochrane Library (1997‒April 2014), main guideline websites, and relevant annual meeting abstracts (2011‒2014) were searched. Internal and external reviews were conducted.The two main recommendations are:Recommendation 1: In patients with an elevated risk of CSPC (according to prostate-specific antigen [PSA] levels and/or nomograms) who are biopsy-naïve: mpMRI followed by targeted biopsy (biopsy directed at cancer-suspicious foci detected with mpMRI) should not be considered the standard of care; data from future research studies are essential and should receive high-impact trial funding to determine the value of mpMRI in this clinical context.Recommendation 2:In patients who had a prior negative TRUS-guided systematic biopsy and demonstrate an increasing risk of having CSPC since prior biopsy (e.g., continued rise in PSA and/or change in findings from digital rectal examination): mpMRI followed by targeted biopsy may be considered to help in detecting more CSPC patients compared with repeated TRUS-guided systematic biopsy.


2021 ◽  
Author(s):  
Victor Mihail Cauni ◽  
Dan Stanescu ◽  
Florin Tanase ◽  
Bogdan Mihai ◽  
Cristian Persu

Aim: Magnetic resonance/ ultrasound fusion targeted biopsy (Tbs) is widely used for diagnosing prostate cancer (PCa). The aim of our study was to compare the cancer detection rate (CDR) and the clinically significant prostate cancer detection rate (csPCa) of the magnetic resonance/ultrasound fusion targeted biopsy with those of the standard systematic biopsy (Sbs) and of the combination of both techniques.Material and methods: A total of 182 patients underwent magnetic resonance/ultrasound fusion Tbs on the prostate for PCa suspicion based on multiparametric magnetic resonance imaging (mMRI) detection of lesions with PI-RADSv2 score ≥3. A total of 78 patients had prior negative biopsies. Tb was performed by taking 2-4 cores from each suspected lesion, followed by Sb with 12 cores. We evaluated the overall detection rate of PCa and clinically significant prostate cancer, defined as any PCa with Gleason score ≥3+4.Results: Median prostate specific antigen (PSA) level pre-biopsy was 7.4 ng/ml and median free-PSA/PSA ratio was 10.2%. Patient median age was 62 years old. PIRADSv2 score was 3 in 54 cases, 4 in 96 cases and 5 in 32 cases. PI-RADS-dependent detection rate of Tbs for scores 3, 4 and 5 was 25.9%, 65.6% and 84.4%, respectively, with csPCa detection rates of 24.1%, 54.2%, and 71.9%. Overall detection rate was 57.1% for Tbs, which increased to 60.4% by adding Sbs results. Detection rate for clinically significant prostate cancer (csPCa) was 48.4% and increased to 51.1% by adding Sbs. Overall detection rate for repeated biopsy was 50% and 68.3% for biopsy in naïve patients. Sbs detection rate was 55.5%, 8 patients having a negative biopsy on Tbs.Conclusions: When Tbs is considered due to a PI-RADS ≥3 lesion on mMRI, combined Tbs + Sbs increases the overall CDR and csPCa detection rates.


Author(s):  
Troncone Raffaella ◽  
Coda Marco ◽  
Aliberti Daniele ◽  
Ciccone Vincenzo ◽  
Carbone Mattia

Magnetic resonance imaging is the fastest and least invasive diagnostic method for the study of the prostate. The method's multiparametricity allows the acquisition of the images highlighting different characteristics in relation to the different sampling sequences. In particular, the MRI investigation plays a role in: • risk stratification and staging of the tumor, therefore active surveillance • detection of prostate cancer; • localization and characterization of prostate cancer before performing a procedure (pre-biopsy, pre-surgery, or radiation therapy); • procedural guide (targeted biopsy guide). The study protocol includes T2-weighted sequences on an axial and sagittal plane, diffusion-weighted sequences for the functional study (DWI) with high b values, contrast dynamic sequences (DCE-MRI), T1-weighted sequences with a large FOV. The study protocol here presented follows the latest PI-RADS v2.1 guidelines. The axial scan plans are acquired according to the anatomical axis of the gland. In our protocol we add a further neutral T2 weighing, a sequence that will be subsequently used for the coupling of images with fusion techniques, such as target-biopsy. The adoption of PI-RAADS v2.1, the most recent update of the system, improves the assessment of intra-patient injury variability and simplifies the general assessment of the prostate in magnetic resonance imaging. The magnetic resonance examination thus obtained allows the correct overlap of the lesion anatomy with the ultrasound image TRUS acquired with the Fusion technique, used for targeted biopsy sampling.


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