首页|多B值DWI鉴别诊断血精性精囊炎与前列腺癌伴精囊浸润

多B值DWI鉴别诊断血精性精囊炎与前列腺癌伴精囊浸润

Differential Diagnosis of Hematospermic Seminal Vesiculitis and Prostate Cancer with Seminal Vesicle Infiltration Using Multi B-Value DWI

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  • 维普
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目的:比较弥散加权成像(DWI)在血精性精囊炎(HSV)和前列腺癌(PCa)伴精囊浸润(SVI)鉴别诊断中的应用价值.方法:本研究共纳入68例患者,HSV 31例,PCa伴SVI 37例.所有患者行多B值DWI磁共振成像(MRI)检查,B值分别设为0、100、200、400、800、1 200和1 600 s/mm2.表观弥散系数(ADC)的重建采用双B值指数模型,分别采用B值为0 s/mm2的DWI图与其他不同B值的DWI图重建,测量病灶的ADC值.最后统计分析DWI信号强度和ADC值.结果:37例PCa伴SVI的转移灶在DWI图上均表现为高信号,且高信号范围随B值的增大而缩小;HSV组病灶在DWI图上呈高信号的例数随B值增大而逐渐减少,当B值≥800 s/mm2时,两组患者具有统计学差异(P＜0.05)o HSV组不同B值的ADC值均高于PCa伴SVI组(P＜0.05),且B值越大差异越明显.结论:通过测量病灶的ADC值和观察DWI信号强度,多B值DWI可用于HSV与PCa伴SVI的诊断和鉴别诊断.
Objective:To compare the application value of diffusion-weighted imaging(DWI)in the differential diagnosis of hematospermatic seminal vesiculitis(HSV)and prostate cancer(PCa)with seminal vesicle invasion(SVI).Methods:A total of 68 patients were included in this study,including 31 cases of HSV and 37 cases of PCa with SVI.All patients underwent multi-B-value DWI magnetic resonance imaging(MRI)with B-values set to 0,100,200,400,800,1 200,and 1 600 s/mm2.The apparent diffusion coefficient(ADC)was reconstructed using a dual-B-value exponential model,with DWI images at B-value of 0 s/mm2 and other different B-values used for reconstruction,and the ADC values of the lesions were measured.Finally,the DWI signal intensity and ADC values were statistically analyzed.Results:The metastatic lesions in the 37 cases of PCa with SVI showed high signal on DWI images,and the range of high signal decreased as the B-value increased.The number of lesions with high signal in the HSV group gradually decreased as the B-value increased,and when the B-value ≥800 s/mm2,there was a statistical difference between the two groups(P＜0.05).The ADC values of different B-values in the HSV group were higher than those in the PCa with SVI group(P＜0.05),and the larger the B-value,the more obvious the difference.Conclusion:By measuring the ADC values of lesions and observing the DWI signal intensity,multi-B-value DWI can be used for the diagnosis and differential diagnosis of HSV and PCa with SVI.

diffusion-weighted imaging(DWI)hematospermatic seminal vesiculitis(HSV)prostate cancer(PCa)seminal vesicle invasion(SVI)apparent diffusion coefficient(ADC)

叶勇、龚捷、邵雯雯、杨英

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三峡大学第一临床医学院[宜昌市中心人民医院]放射科,湖北宜昌 443003

三峡大学第一临床医学院[宜昌市中心人民医院]心血管内科,湖北 宜昌 443003

弥散加权成像 血精性精囊炎 前列腺癌 精囊 表观弥散系数

湖北省自然科学基金项目宜昌市医疗卫生科研项目宜昌市医疗卫生科研项目

2023AFB104A23-1-001A24-2-022

2024

10.3969/j.issn.2096-6113.2024.03.020

巴楚医学
三峡大学

巴楚医学

ISSN：2096-6113
年,卷(期)：2024.7(3)