Korean Journal of Gastrointestinal Endoscopy 1999;19(5): 721-729.
위암의 병기 결정에 있어서 내시경초음파검사와 위에 물을 채우고 시행하는 복부초음파검사의 비교 ( A Comparison of Endoscopic Ultrasonography with Transabdominal Ultrasonography of Water-Filled Stomach in the Accuracy of Staging of Gastric Cancer )
유효민(Hyo Min Yoo),정재복(Jae Bock Chung),송시영(Si Young Song),이종태(Jong Tae Lee),노성훈(Sung Hoon Noh),문영명(Young Myung Moon),강진경(Jin Kyung Kang),박인서(In Suh Park)
Abstract
Background/Aims: There was no single method satisfying accuracy, patient compliance and cost in preoperative staging of gastric cancer. A transabdominal ultrasonography of water-filled stomach (TUS) was compared with endoscopic ultrasonography (EUS) for TN staging in operated gastric cancer. Methods: We performed EUS conventionally and TUS immediately after 600 mL deaerated water ingested in 40 patients with gastric cancer prior to operation. All the cases were operated and the histological findings were compared with the results of preoperative TN staging. Results: The overall T-staging accuracy rate of TUS was 62.5% and 55.0% for EUS. Both TUS and EUS could differentiate EGC from AGC in 85.0%. There was no statistical difference in the accuracy for the depth of cancer invasion between EUS and TUS. Differentiation of the cancer defined within the gastric wall (T3) from the cancer invading adjacent organs (T4) was possible in 92.5% for TUS and 87.5% for EUS. The accuracy of determining the depth of invasion was tent to be lower in fundus than in antrum and body. Lymph node metastasis was correctly diagnosed in 67.5% for TUS and in 70.0% for EUS. Conclusions: TUS may be a considered to be a relatively accurate and simple method for preoperative staging of gastric cancer in the absence of available EUS. (Korean J Gastrointest Endosc 19: 721∼729, 1999)
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