The adjunctive use of power Doppler imaging in the preoperative assessment of prostate cancer.

Abstract:

OBJECTIVE:To determine if the adjunctive use of power Doppler imaging (PDI) could provide prognostic utility in the treatment of prostate cancer, as an accurate prediction of the clinical behaviour of prostate cancer is important to determine appropriate treatment. PATIENTS AND METHODS:Most centres rely on a digital rectal examination or transrectal ultrasonography (TRUS) to assess the clinical stage of patients. In 2002, we began using a standardized form to evaluate TRUS findings and PDI findings. We compared preoperative clinical findings with those from pathological analysis of 620 radical prostatectomy specimens from 2002 to 2007. RESULTS:The mean (sd) patient age was 58 (6.6) years with a mean prostate-specific antigen (PSA) level of 7.0 (4.5) ng/mL. Of the 620 specimens 157 (25.3%) had evidence of extracapsular extension on pathological evaluation; 443 (71.5%) men had a hypervascular lesion seen on TRUS, while 177 (28.5%) patients had none. There was no difference in preoperative PSA level, grade or stage of tumour. Furthermore, rates of biochemical recurrence or secondary treatment did not differ based on PDI findings. As a tool to help locate prostate tumours, PDI improved the specificity of TRUS but did not improve the overall accuracy or sensitivity. CONCLUSION:PDI provides little prognostic utility to assess risk in prostate cancer. However, PDI might improve the specificity of TRUS in identifying prostate tumours and could have a role in image guidance for focal therapy of prostate cancer.

journal_name

BJU Int

journal_title

BJU international

authors

Eisenberg ML,Cowan JE,Carroll PR,Shinohara K

doi

10.1111/j.1464-410X.2009.08958.x

subject

Has Abstract

pub_date

2010-05-01 00:00:00

pages

1237-41

issue

9

eissn

1464-4096

issn

1464-410X

pii

BJU8958

journal_volume

105

pub_type

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