前列腺癌经直肠超声及彩色多普勒特征探讨

Characteristic of Ultrasonography of Transrectal and Color Doppler for Diagnosing Prostate Carcinoma

目的探讨前列腺癌经直肠彩色多普勒超声特征性的表现。方法应用经直肠彩色多普勒超声对45例临床拟诊为前列腺癌患者进行检查,然后经直肠超声引导下前列腺穿刺,采用系统6点加可疑结节处穿刺法,并与病理结果进行对照比较。结果经病理证实45例中有19例为前列腺癌,本组前列腺癌经直肠超声图像特征性表现为:单结节仅为5例,14例表现为多结节及弥漫浸润型,并见弥漫散在砂粒状及部份夹杂斑片状钙化强回声,彩色多普勒超声以血供增多为主。结论前列腺癌有一定的特征性表现,尤其是在弥漫性非均质改变基础上见到弥漫性砂粒状钙化,可高度怀疑前列腺癌。

Objective To systematically observe and find out the characteristic of ultrasonography for transrectal color Doppler ultrasound in the diagnosis of prostate cancer（PC）.Methods Forty-five patients with suspected PC were examined with transrectal color Doppler ultrasound. The method of transrectal ultrasound guided prostate biopsy is systematic 6 point adding suspected nods. The ultrasonography of PC was compared with the pathologic result.Results Among those 19 patients were confirmed PC by pathology. The characteristic echoes of PC： barely 5 cases are mono nod, 14 cases are multi-node and widespread infiltrate. The delimitation of inter-extre gland is clouding, the internal of prostate have the widespread sand granules calcification strong echo. The blood supply mostly increased.Conclusion The PC has some characteristics in ultrasonograph, in diffusion sand granules calcification, when strong echo were found in the background of the widespread echo of no-equal alteration of prostate, the patient is highly suspected for PC.