通常采用钡灌肠或结肠镜检诊断结肠癌。两种研究皆不理想，特别是对老年人。本次研究是调查腹部超声造影诊断结直肠癌的可能作用。５４例（男２５例，女２９例）已知或怀疑有结直肠癌，做了腹部超声检查，其中４５例已作过钡灌肠或结肠镜检。仅由一名放射科医生对这些患者... Barium enema or colonoscopy is commonly used to diagnose colon cancer. Both studies are not ideal, especially for the elderly. This study investigated the possible role of abdominal ultrasound in the diagnosis of colorectal cancer. 54 cases (25 males and 29 females) were either known or suspected to have colorectal cancer. Abdominal ultrasonography was performed, of which 45 were barium enema or colonoscopy. Only by a radiologist on these patients ...