Tiing Leong Ang

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BACKGROUND AND AIMS There are limited data on the differences in diagnostic yield between 25-gauge and 22-gauge EUS-FNA needles. This prospective study compared the difference in diagnostic yield between a 22-gauge and a 25-gauge needle when performing EUS-FNA. METHODS Forty-three patients with intraluminal or extraluminal mass lesions and/or(More)
Barrett's oesophagus is premalignant. Oesophagectomy is traditionally regarded as the standard treatment option in the presence of high grade intraepithelial neoplasia or intramucosal cancer. However, oesophagectomy is associated with high rates of mortality and morbidity. Endoscopic ablative therapies are limited by the lack of tissue for histological(More)
A 39-year-old man developed severe necrotizing gallstone pancreatitis complicated by infected pancreatic necrosis. Surgical necrosectomy was performed to control the on-going sepsis. Subsequently, there was a recurrence of an infected necrotic collection at the site of surgical necrosectomy, in the region of the pancreatic body and tail. He did not respond(More)
BACKGROUND AND STUDY AIMS A meta-analysis was conducted to assess the efficacy of transcatheter arterial embolization (TAE) compared with surgery in the management of patients with recurrent nonvariceal upper gastrointestinal bleeding (NVUGIB) after failure of endoscopic hemostasis. PATIENTS AND METHODS Publications in English and non-English literatures(More)
AIM To evaluate the efficacy of 5 mL simethicone solution in decreasing gastric foam if given at least 30 min before gastroscopy. METHODS This was a randomized, placebo controlled, endoscopist blinded study performed at Changi General Hospital. Patients were at least 21 years old, had no prior surgical resection of the upper gastrointestinal tract, and(More)
BACKGROUND AND OBJECTIVES Endoscopic ultrasound-guided drainage of walled-off pancreatic fluid collections (PFCs) (pseudocyst [PC]; walled-off necrosis [WON]) utilizes double pigtail plastic stents (PS) and the newer large diameter fully covered self-expandable stents (FCSEMS) customized for PFC drainage. This study examined the impact of type of stent on(More)
Gastric cancer is the third most common cause of cancer-related death. Advanced stages of gastric cancers generally have grim prognosis. But, good prognosis can be achieved if such cancers are detected, diagnosed and resected at early stages. However, early gastric cancers and its precursors often produce only subtle mucosal changes and therefore quite(More)
BACKGROUND AND STUDY AIMS Two 22G needles with similar designs, apart from the absence (A) or presence of a side port (B), are available for endoscopic ultrasound (EUS)-guided fine-needle aspiration (FNA). The side port was designed to increase diagnostic yield but this advantage was unproven. This study evaluated the difference in diagnostic yield between(More)