目的：探讨胰胆管内超声对胰胆肿瘤的诊断价值。
Objective: To study the clinical value of intraductal ultrasonography (IDUS) in the diagnosis of pancreatic cancer and bile duct cancer.
目的：评估胆管内超声检查(IDUS)对胆管狭窄病因和分型的诊断价值。
Objective: To evaluate the value of intraductal ultrasonography (IDUS) in the diagnosis and classification of bile duct stenosis.
方法：经病理和临床诊断为胰腺癌和胆管癌2 7例患者在内镜逆行胰胆管造影术（ERCP）检查同时行胰胆管内超声检查。
Methods:IDUS was carried out in 27 patients with pancreatic cancer and bile duct cancer manifested clinically and pathologically during endoscopic retrograde cholangiopancreatography (ERCP).
超声观察肝外胆管内径、管壁厚度、管腔内透声、肝动脉峰值流速(PS V)、阻力指数(RI)。
Focus on extrahepatic bile duct diameter, wall thickness, lumen transparent sound, hepatic artery peak flow velocity (PSV) and resistance index (RI).
方法采用超声仪检测3 6例胆囊切除术后患者的肝内外胆管， 测量胆管内径，观察管腔内回声。
Methods The ultrasonic features of 36 cases with biliary duct disease post Cholecystectomy were analysed. The biliary duct diameter and the echo characteristics inside duct were examined.
方法采用超声仪检测3 6例胆囊切除术后患者的肝内外胆管， 测量胆管内径，观察管腔内回声。
Methods The ultrasonic features of 36 cases with biliary duct disease post Cholecystectomy were analysed. The biliary duct diameter and the echo characteristics inside duct were examined.
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