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目的研究超声造影在肝门部胆管癌术前评估中的临床价值,丰富临床治疗的经验。方法 88例经手术病理证实的肝门部胆管癌患者,采用常规超声与超声造影进行检查,比较回声分布差异。结果在超声造影的门脉期与延迟期分别有77.3%(68/88)和87.5%(77/88)的肝门部胆管癌表现为低回声,且与周围肝实质分界较清晰;而常规超声53.4%(47/88)表现为等回声,与周围肝实质分界不清晰,常规超声与门脉期、延迟期的病灶显示清晰率分别为46.6%(41/88)、79.5%(70/88)、87.5%(77/88),清晰率比较差异具有统计学意义(P<0.05)。结论在肝门部胆管癌术前评估中,超声造影具有准确率高的应用价值,值得在临床中推广应用。
Objective To study the clinical value of contrast-enhanced ultrasound in the preoperative evaluation of hilar cholangiocarcinoma and to enrich the clinical experience. Methods Eighty-eight patients with hilar cholangiocarcinoma confirmed by surgery and pathology were examined by conventional ultrasound and contrast-enhanced ultrasound, and the differences of echo distribution were compared. Results There were 77.3% (68/88) and 87.5% (77/88) cases of hilar cholangiocarcinoma with hypoechoic echo in the portal venous phase and the delayed phase of ultrasound contrast, respectively, with a clear boundary with the surrounding liver parenchyma. Conventional 53.4% (47/88) of the echoes showed equal echoes, and the demarcation between them was not clear with the surrounding liver. The routine echocardiographic and portal venous phase and delayed phase showed 46.6% (41/88) and 79.5% (70.5% 88) and 87.5% (77/88), respectively. There was significant difference between the two groups (P <0.05). Conclusion In the preoperative evaluation of hilar cholangiocarcinoma, contrast-enhanced ultrasound has the value of high accuracy and is worth popularizing in clinic.