Korean J Gastrointest Endosc > Volume 20(6); 2000 > Article
Korean Journal of Gastrointestinal Endoscopy 2000;20(6): 437-442.
원저 : 점막하종양양 벽외성 압박의 진단에 있어서 내시경적 초음파차단층촬영술 ( Diagnostic Usefulness of Eedoscopic Ultrasongraphy for Extraluminal Compressions Mimicking Submucosal Tumors )
김명수(Myung Soo Kim),김진오(Jin Oh Kim),윤동진(Dong Jin Youn),한찬희(Chan Hee Han),조주영(Joo Young Cho),이준성(Joog Seong Lee),이문성(Moon Sung Lee),심찬섭(Chan Sup Shim)

When a submucosal lesion is discovered through an upper gastrointestinal endoscopy, it may be often difficult to differentiate an extra-gastric compression from a true submucosa1 tumor (SMT). An endoscopic ultrasonography (EUS) provides information about the relationship between a lesion and the gastric or esophageal wall. Furthermore, EUS helps in identifying the compression caused by surrounding organs. The diagnostic usefulness of EUS for extralumina1 compressed lesion was assessed.
The 261 patients who received an endoscopic diagnosis of submucosal tumors had EUS examinations performed. The results of EUS to additional diagnostic procedures such as UGI, USG, CT scan or tissue biopsy were then compared.
Of 261 patients who received endoseopic diagnosis as SMT, extraluminal compression existed in 46 (17.6%) cases and true intramural lesion were found in 215 (82.4%) cases on EUS. The causes of extraluminal compression are lymph nodes (2 case.), the gallbladder (12 cases), the pancreas (9 cases), the spleen (6 cases), a pancreatic pseudocyst (5 cases), pancreatic cancer (2 cases), a hepatic cyst (2 cases), the left lobe of the liver (4 cases), hepatoma (1 case), a mesenteric tumor (2 caws) and a splenic vein (1 case).
EUS is considered to be a useful diagnostic method not only for differential diagnosis of extraluminal compression from true SWT, but also for clarifying the cause of extraluminal compressed lesions. (Korean J Gastrointest Endosc 2000;20:437--442)
Key Words: EUS, Submucosal tumor, Extraluminal compression, 내시경적 초음파단층촬영술, 벽외성 압박
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