摘要目的依据PI-RADS第1版和第2版判断在3 T MR引导下前列腺活检的诊断率。材料与方法本研究符合HIPAA并经机构伦理委员会批准。对106例男性病人行3 T MR引导下前列腺穿刺活检,获得134个活检组织。入组标准:1以往未行前列腺活检者,2以前前列腺活检阴性,但前列腺特异性抗原(PSA)水平升高者,或3具有前列腺癌病史且PSA水平升高者。临床采用3 T MR对前列腺进行引导穿刺活检并搜集病理资料。对每例病人及每个活检组织进行 Abstract Objective To determine the diagnostic rate of prostate biopsy under the guidance of 3 T MR according to the first edition and the second edition of PI-RADS. Materials and Methods This study is in accordance with HIPAA and approved by the Institutional Ethics Committee. Three hundred and sixty-six male patients underwent 3 T MR-guided prostate biopsy and obtained 134 biopsies. Inclusion criteria: 1 Those who had not had a prostate biopsy in the past, 2 had a previous negative prostate biopsy but had an elevated level of prostate-specific antigen (PSA), or 3 had a history of prostate cancer with elevated PSA. The clinical use of 3 T MR prostate biopsy and collect the pathological data. For each patient and each biopsy