Publications by authors named "T Lok Tio"

Background: Peptic ulcer disease is considered the cause of upper-GI bleeding in 50% of cases. A recent decline in the proportion of cases of upper-GI bleeding because of a peptic ulcer was noted by us. The objectives of this study were to evaluate the frequency of peptic ulcer in patients with upper-GI bleeding and the proportion of bleeding peptic ulcers with a non-bleeding visible vessel.

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Aim: Endoscopic dilation of esophageal strictures is a commonly performed procedure in the management of dysphagia. The procedure is usually done with fluoroscopic guidance. The aim of this study was to assess the use of Tracer guide wire in conjunction with Savary-Gilliard dilators in the dilation of tight esophageal strictures without fluoroscopy.

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Article Synopsis
  • Colonic lipomas are benign tumors that usually don't cause symptoms, but those larger than 2 cm pose a higher risk of perforation during removal.
  • Four patients with large lipomas were treated using endoscopic techniques and confirmed through EUS that the tumors were superficial, ensuring safe removal.
  • All lipomas were successfully resected without complications, demonstrating that electrosurgical snare resection is a safe method when assisted by proper evaluation.
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Background/aims: Clinical staging of gastric carcinoma is important in designing the strategy of treatment. Early gastric carcinomas can be treated by minimally invasive therapy, whereas advanced gastric carcinomas should be treated by surgery with or without combined chemotherapy. This study was undertaken to evaluate the accuracy and limitations of video type endoscopic ultrasound in preoperative staging of gastric cancer and assessing lymph node metastasis.

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