Value of contrast ultrasonography in the detection of significant prostate cancer: correlation with radical prostatectomy specimens.
SourceProstate, 53, 3, (2002), pp. 246-253
Article / Letter to editor
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SubjectApplication of BioMedical Engineering in Urology; Tumor pathology; Toepassingen van biomedische technieken in de urologie; Tumor pathologie
BACKGROUND: The presented study has investigated a possible improvement of imaging prostate cancer: three-dimensional contrast-enhanced power Doppler ultrasonography (3D-CE-PDU). METHODS: Seventy patients with biopsy proven prostate cancer and scheduled for radical retropubic prostatectomy received a 3D-CE-PDU investigation before surgery. Two experts analyzed the ultrasound images. The ultrasound images were correlated to the whole-mount sections of the prostate specimen. The correlation protocol consisted of three evaluation steps. RESULTS: In total, 153 prostate tumors were found in the 70 prostate specimens: 61 tumors <5 mm, 93 tumors >or=5 mm. The diagnosis of clinical significant and insignificant prostate cancer was made in 85 and 88% of the patients for expert I and II, respectively. Diagnosis by imaging improved from 61% (43 of 70 of the prostate cancers) for standard detection tools to an average 86% (60 of 70 prostate cancers) for 3D-CE-PDU. CONCLUSION: 3D-CE-PDU improves the detection of prostate cancer in this group of prostate cancer patients. The use of 3D-CE-PDU in the clinic is questionable as indications are still unclear.
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