Preliminary study on ultrasound-guided prostate biopsy specimen scores

Prostate cancer (PCa) is the second most frequently diagnosed cancer in males worldwide and resulted in ~258,000 cases of cancer-associated mortality in 2008. The present study visually determined the pathology scores of PCa specimens by taking into account five characteristics, including the hardness, color, plumpness, transparency and uniformity of specimens. The current study also aimed to identify the association between pathology scores and prostate specific antigen (PSA) levels, in order to reduce the complications caused by punctures and elevate the specimen positive rates. A total of 1,608 specimens from 268 patients were analyzed by one sonographer, one urologist and one pathologist. A standard pathological examination was performed on the PCa biopsy specimens and specimen scores were recorded under double-blinded conditions. A receiver operator characteristic curve identified a linear correlation between the visually determined score and PSA levels (r=0.255; P<0.001). Furthermore, logistic regression analysis indicated that the visually determined score and PSA were correlated with the diagnosis of PCa. Additionally, the authenticity of the visually determined score was higher than PSA in the diagnosis of PCa, with the best sensitivity and specificity of the visually determined scores used to predict PCa being 0.817 and 0.931, respectively.

Experimental and therapeutic medicine. 2017 Jul 18 [Epub]

Cheng Li, Weiwei Zhan, Minguang Zhang, Fangxiu Luo, Yan Wang, Bin Zheng

Department of Ultrasound, Ruijin Hospital North Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China.

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