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  • Title: Current utilization and performance status of endoscopic ultrasound in a community hospital.
    Author: Lok KH, Lee CK, Yiu HL, Lai L, Szeto ML, Leung SK.
    Journal: J Dig Dis; 2008 Feb; 9(1):41-7. PubMed ID: 18251793.
    Abstract:
    OBJECTIVE: Endoscopic ultrasound (EUS) is an essential tool for cancer staging and investigating gastrointestinal diseases. Although it is not a widespread skill, as its expanded indications became much more advanced so did its popularity and hospital acceptance. We aimed to study the utilization and indications of upper EUS in a Hong Kong community hospital. The secondary aim was to assess our accuracy in staging of esophageal and gastric cancer and in evaluating submucosal tumors. METHODS: All patients who had undergone upper EUS in Tuen Mun Hospital from January 2002 to December 2006 were recruited. Their background data, indications, radiological investigations, upper endoscopy and operation records and histopathologic results were retrieved for analysis. The accuracy of EUS in esophageal cancer staging, gastric cancer staging and evaluating submucosal tumors was assessed by comparing surgical and histopathologic findings. RESULTS: A total of 645 upper EUS examinations were performed and there has been a steady increase in EUS utilization in our hospital. The most common indications were evaluating submucosal tumors and staging esophageal and gastric cancer. The accuracy of T and N staging of esophageal cancer was 71.2 and 79.7%, respectively and for gastric cancer was 64.0 and 74.7%, respectively. Endoscopic ultrasound was 70% accurate in identifying lesions arising from the submucosal layer and 100% accurate in identifying lesions from the muscularis propria. CONCLUSION: Endoscopic ultrasound is an accurate method and its demand is increasing. The performance in a community hospital can be further improved and its utilization should expand to other indications.
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