Purpose:To study the diagnostic value of using ultrasonography(US), plain film of the abdomen(KUB), intravenous urography(IVU) in acute ureteral calculous obstruction.
目的：探讨超声、腹部平片（KUB）、静脉尿路造影（IVU）对急性输尿管结石梗阻的诊断价值。
Objective:To evaluate the diagnostic accuracy of ultrasonography (US)and computerized tomography(CT)on acute necrosis pancreatitis(ANP).
目的评价超声与CT对急性坏死型胰腺炎（ANP）的诊断价值。
Objective This study was to evaluate the efficacy of ultrasonography(US) for diagnosis of central lung carcinoma.
目的评价超声对中心型肺癌的诊断价值。
Objective To assess the diagnostic value of ultrasonography (US) and interventional US in mediastinal tumors.
目的评价常规超声及介入超声对纵隔肿瘤的诊断价值。
Methods:The peptic ulcers were diagnosed with B mode ultrasonography (US) at first in 53 patients and the malignant ulcers in 5 patients.
方法：将超声首诊的53例消化性溃疡和5例疑诊为溃疡型癌的资料全部与胃镜、部分与手术病理检查作了对照分析。
Objective To evaluate the value of color Doppler ultrasonography(US), X-ray barium meal examination(X-ray) and gastroscopy(GS)in the diagnosis of the cardial cancer.
目的评价彩超、X线钡餐透视、胃镜综合应用对贲门癌及周围浸润的诊断价值以及相互关系。
Color doppler ultrasonography can help us to detect catheter occlusion that leads to the incidence of thrombosis.
彩色多普勒有助于判断与血栓形成有关的导管堵塞。
The full range of imaging modalities is addressed, from plain films and conventional contrast studies to CT, US, MRI and endoscopic ultrasonography.
整套成像形态被处理，从明白的电影和道统的对比到CT，美国，MRI和内窥的超音波检查法研究。
Conclusion Some appearances on ultrasonography and CDFI of CCC are typical, and a combination of us and CEUS can reduce the ratio of misdiagnosis and missed diagnosis.
结论CCC的二维及彩色多普勒超声表现有一定规律可循，普通超声联合CEUS可降低漏、误诊率。
Gastric motility functions in 20 patients with chronic cholecystitis, 30 patients with cholecystectomy and 25 normal controls were studied by ultrasonography(US).
采用单切面实时超声显像法对20例慢性胆囊炎及30例胆囊切除术后患者，进行了流体餐胃动力学多项指标检测。
Gastric motility functions in 20 patients with chronic cholecystitis, 30 patients with cholecystectomy and 25 normal controls were studied by ultrasonography(US).
采用单切面实时超声显像法对20例慢性胆囊炎及30例胆囊切除术后患者，进行了流体餐胃动力学多项指标检测。
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