Research Topics
Genomes and GenesSpecies | Enders K W NgSummaryAffiliation: The Chinese University of Hong Kong Country: China Publications
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Publications
Endoscopic therapy for oesophageal cancerEnders K W Ng
Upper Gastrointestinal Surgical Division, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, SAR, China
Dig Dis 23:102-5. 2005..This article serves to review the recent literature evidence in relation to the surgical approach, safety, efficacy and potential problems of such a highly complex minimally invasive operation...
Blue rubber bleb nevus syndrome: treatment of multiple gastrointestinal hemangiomas with argon plasma coagulatorEnders K W Ng
Department of Surgery, The Chinese University of Hong Kong, Hong Kong, China
Dig Endosc 21:40-2. 2009..Here we report the successful use of argon plasma coagulation in the management of an adult with multiple hemangiomas in her colon and terminal ileum...
Effects of long-term rofecoxib on gastric intestinal metaplasia: results of a randomized controlled trialWai K Leung
Institute of Digestive Disease, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong
Clin Cancer Res 12:4766-72. 2006..Gastric cancer and its premalignant gastric lesion, intestinal metaplasia (IM), frequently express cyclooxygenase-2 (COX-2) at high levels. We tested whether long-term use of specific COX-2 inhibitors regress gastric IM...
Concurrent chemoradiotherapy or endoscopic stenting for advanced squamous cell carcinoma of esophagus: a case-control studySimon K H Wong
Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
Ann Surg Oncol 15:576-82. 2008..We evaluated the role of chemoradiotherapy (CRT) for patients with inoperable squamous esophageal cancer...
Helicobacter pylori infection in 1st degree relatives of Chinese gastric cancer patientsWai K Leung
Institute of Digestive Diseases, Shatin, Hong Kong
Scand J Gastroenterol 41:274-9. 2006..Patterns and risk factors associated with H. pylori infection were investigated in 1st degree relatives of Chinese gastric cancer patients...
Effects of Helicobacter pylori eradication on methylation status of E-cadherin gene in noncancerous stomachWai K Leung
Institute of Digestive Disease, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong
Clin Cancer Res 12:3216-21. 2006..Whereas E-cadherin methylation was frequently detected in the stomach of Helicobacter pylori-infected individuals, we tested whether eradication of H. pylori alters the methylation status of the noncancerous gastric epithelium...
Predicting mortality in patients with bleeding peptic ulcers after therapeutic endoscopyPhilip W Y Chiu
Department of Surgery, Institute of Digestive Disease, Prince of Wales Hospital, Chinese University of Hong Kong, Hong Kong
Clin Gastroenterol Hepatol 7:311-6; quiz 253. 2009..Despite advances in management of patients with bleeding peptic ulcers, mortality is still 10%. This study aimed to identify predictive factors and to develop a prediction model for mortality among patients with bleeding peptic ulcers...
Risk factors associated with the development of intestinal metaplasia in first-degree relatives of gastric cancer patientsWai K Leung
Department of Medicine and Therapeutics, 9th Floor, Clinical Sciences Building, Prince of Wales Hospital, Ngan Shing Street, Shatin, Hong Kong, P R China
Cancer Epidemiol Biomarkers Prev 14:2982-6. 2005..In conclusion, we have identified risk factors associated with gastric intestinal metaplasia in stomach cancer relatives, which may be useful in the understanding of gastric carcinogenesis in these high-risk individuals...
Omeprazole before endoscopy in patients with gastrointestinal bleedingJames Y Lau
Institute of Digestive Disease, Chinese University of Hong Kong, Shatin, Hong Kong, China
N Engl J Med 356:1631-40. 2007..A neutral gastric pH is critical for the stability of clots over bleeding arteries. We investigated the effect of preemptive infusion of omeprazole before endoscopy on the need for endoscopic therapy...
H. pylori genotypes and cytokine gene polymorphisms influence the development of gastric intestinal metaplasia in a Chinese populationWai K Leung
Institute of Digestive Disease, Faculty of Medicine, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR
Am J Gastroenterol 101:714-20. 2006..We determined the role of host cytokine polymorphisms and bacterial virulent factors in the development of gastric intestinal metaplasia (IM) in a Chinese population with a high background gastric cancer incidence...
Predicting poor outcome from acute upper gastrointestinal hemorrhagePhilip W Y Chiu
Department of Surgery, Institute of Digestive Disease, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
Gastroenterol Clin North Am 38:215-30. 2009..Future studies should focus on validation of these predictors in a prospective cohort and application of these prediction models to guide clinical management in patients with acute upper GI hemorrhage...
Promoter hypermethylation of Death-associated protein-kinase gene associated with advance stage gastric cancerAnthony W H Chan
Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong, SAR
Oncol Rep 13:937-41. 2005..041), advance stage of disease (p=0.029) and a poorer event-free survival (log-rank test p=0.0141). DAP-kinase promoter methylation as a potential prognostic marker for gastric cancer patients deserved further evaluation...
Upregulation of heme oxygenase-1 and p21 confers resistance to apoptosis in human gastric cancer cellsZhi Min Liu
Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
Oncogene 23:503-13. 2004....
Capsule endoscopy or angiography in patients with acute overt obscure gastrointestinal bleeding: a prospective randomized study with long-term follow-upWai K Leung
Institute of Digestive Disease, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, People s Republic of China
Am J Gastroenterol 107:1370-6. 2012..However, no studies have directly compared the two modalities in patients with overt OGIB. We compared the diagnostic yield and long-term outcomes of patients with overt OGIB randomized to CE or angiogram...
Comparison of EUS and ERCP in the investigation with suspected biliary obstruction caused by choledocholithiasis: a randomized studyYuk Tong Lee
Institute of Digestive Disease, Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China
Gastrointest Endosc 67:660-8. 2008..EUS may be used to reduce the need of diagnostic ERCP...
Premedication with intravenous ketorolac trometamol (Toradol) in colonoscopy: a randomized controlled trialWilfred Lik-Man Mui
Department of Surgery and Endoscopy Centers, The Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, NT, Hong Kong SAR, China
Am J Gastroenterol 100:2669-73. 2005..No serious complication related to intravenous (IV) KT was noted. CONCLUSIONS: Premedication with IV KT (Toradol) improves pain control during colonoscopy with no associated serious complications...
Cell death induced by Pteris semipinnata L. is associated with p53 and oxidant stress in gastric cancer cellsZhimin Liu
Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, New Territories, Hong Kong, China
FEBS Lett 579:1477-87. 2005..We conclude that the expression of Bax and its downstream molecules requires the presentation of a wild-type p53 in the cells treated by 5F...
Detection of gene promoter hypermethylation in the tumor and serum of patients with gastric carcinomaTin-Lap Lee
Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong SAR
Clin Cancer Res 8:1761-6. 2002....
Endoscopic submucosal dissection versus local excision for early rectal neoplasms: a comparative studySophie S F Hon
Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong SAR, China
Surg Endosc 25:3923-7. 2011..To date, no report comparing the two approaches can be found in the literature. This study aimed to compare the short-term clinical outcomes between ESD and LE for early rectal neoplasms...
Promoter hypermethylation of tumor-related genes in gastric intestinal metaplasia of patients with and without gastric cancerKa-Fai To
Department of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong
Int J Cancer 102:623-8. 2002..Aberrant methylation in tumor-related genes is frequently detected in gastric IM of both cancer and noncancer patients, suggesting their early involvement in the multistep progression of gastric carcinogenesis...
Multibend endoscope facilitates endoscopic hemostasis for bleeding gastric ulcer at high lesser curvatureCharing C N Chong
Department of Surgery, Institute of Digestive Disease, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
J Laparoendosc Adv Surg Tech A 18:837-9. 2008..In this paper, we report 3 cases of difficult hemostasis for an ulcer located at a high lesser curvature where a novel multibending endoscope was employed to facilitate the endoscopic therapy...
Recurrent genomic aberrations in gastric carcinomas associated with Helicobacter pylori and Epstein-Barr virusWing Y Chan
Department of Anatomical and Cellular Pathology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, China
Diagn Mol Pathol 11:127-34. 2002..and EBV are associated with different genomic imbalances, suggesting that these infectious agents exert different influences in the development of gastric carcinoma...
Ghrelin level and weight loss after laparoscopic sleeve gastrectomy and gastric mini-bypass for Prader-Willi syndrome in ChineseAnthony K W Fong
Division of Upper GI Surgery, Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, China
Obes Surg 22:1742-5. 2012..Iron deficiency anemia was observed in the patient who underwent LMGBP. Significant reduction of body weight and level of serum ghrelin can be achieved with minimal morbidity by LSG or LMGBP in patients with PWS...
Preemptive dilatation gives good outcome to early esophageal stricture after circumferential endoscopic submucosal dissectionVivien Wai Yin Wong
Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong SAR, China
Surg Laparosc Endosc Percutan Tech 20:e25-7. 2010..In conclusion, we suggest early follow-up esophagogastroduodenoscopy to be done for patients with circumferential ESD to determine the need of preemptive dilatation...
Development of bariatric surgery: the effectiveness of a multi-disciplinary weight management programme in Hong KongSimon K H Wong
Division of Upper GI Surgery, Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong
Ann Acad Med Singapore 38:9-6. 2009..Conservative weight management therapy is ineffective in maintaining substantial weight loss in severely obese patients and more invasive interventions are required to achieve sustainable weight loss...
Multicenter prospective randomized trial comparing standard esophagectomy with chemoradiotherapy for treatment of squamous esophageal cancer: early results from the Chinese University Research Group for Esophageal Cancer (CURE)Philip W Y Chiu
Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong, S.A.R
J Gastrointest Surg 9:794-802. 2005..Standard esophagectomy or chemoradiotherapy offered similar early clinical outcome and survival for patients with squamous cell carcinoma of the esophagus. The challenge lies in the detection of residue disease after chemoradiotherapy...
Cyclooxygenase-2 upregulates vascular endothelial growth factor expression and angiogenesis in human gastric carcinomaWai K Leung
Department of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
Int J Oncol 23:1317-22. 2003..Future studies should evaluate the potential anti-angiogenic effect of COX-2 inhibitors on human gastric cancer...
Cholecystectomy or gallbladder in situ after endoscopic sphincterotomy and bile duct stone removal in Chinese patientsJames Y W Lau
Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, China
Gastroenterology 130:96-103. 2006..Expectant management is alternately advocated. In this study, we compared the treatment strategies of laparoscopic cholecystectomy and gallbladders left in situ...
Expression of trefoil peptides (TFF1, TFF2, and TFF3) in gastric carcinomas, intestinal metaplasia, and non-neoplastic gastric tissuesWai K Leung
Department of Medicine and Therapeutics, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
J Pathol 197:582-8. 2002..Progressive loss of TFF1 and TFF2, together with the induction of TFF3, is likely to be involved in the early stage of the multi-step gastric carcinogenesis pathway...
Digestive cancer management in Asia: position statements: a report on GI Oncology Summit in 2011Joseph J Y Sung
Institute of Digestive Disease, The Chinese University of Hong Kong, Hong Kong
J Gastroenterol Hepatol 27:1417-22. 2012..This Summit meeting was called to discuss the optimal management of digestive cancers and the role of Gastroenterologists...
Optimum duration of prophylactic antibiotics in acute non-perforated appendicitisLik Man Mui
Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Hong Kong
ANZ J Surg 75:425-8. 2005..Prolonging the use of antibiotics can lead to unnecessary antibiotic related complications...
Endoscopic mucosal incision with an insulated-tip knife for intramucosal esophageal dissection: case reportPhilip W Y Chiu
Upper Gastrointestinal Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
Gastrointest Endosc 62:184-7. 2005
Allelic loss of chromosome 6q in gastric carcinomaBrenda C Y Li
Departments of Anatomical and Cellular Pathology, The Chinese University of Hong Kong, Shatin, N.T, Hong Kong
Diagn Mol Pathol 12:193-200. 2003..In some cases, these genetic changes may be acquired in the transition from normal gastric mucosa to intestinal metaplasia...
Laparoscopic bariatric surgery: a five-year reviewSimon K H Wong
Division of Upper Gastrointestinal Surgery, Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong
Hong Kong Med J 15:100-9. 2009..To review our results of laparoscopic adjustable gastric banding, laparoscopic sleeve gastrectomy, and laparoscopic gastric bypass for the treatment of morbid obesity...
Simultaneous laparoscopic totally extraperitoneal repair for concurrent ipsilateral spigelian and indirect inguinal herniaJoey W Y Chan
Department of Surgery, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
Surg Laparosc Endosc Percutan Tech 18:414-6. 2008..Majority of the approaches to repair of spigelian hernia is open surgery. We report our technique of a simultaneous repair of both spigelian and inguinal hernia using the totally extraperitoneal laparoscopic mesh repair...
Inactivation of helicase-like transcription factor by promoter hypermethylation in human gastric cancerWai K Leung
Department of Medicine and Therapeutics, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong
Mol Carcinog 37:91-7. 2003..These results suggest that HLTF promoter hypermethylation is frequently demonstrated in human gastric cancer, and inactivation of HLTF or the chromatin-remodeling complex may play a crucial role in gastric carcinogenesis...
Imatinib (STI-571) heals a gastrocutaneous fistula resulting from a malignant gastric stromal tumorEnders K W Ng
Department of Surgery, The Chinese University of Hong Kong, China
Gastric Cancer 6:122-6. 2003..Follow-up computed tonography (CT) scan 3 months later confirmed significant tumor reduction, and the patient has experienced no side effects from the treatment..
The effect of endoscopic therapy in patients receiving omeprazole for bleeding ulcers with nonbleeding visible vessels or adherent clots: a randomized comparisonJoseph J Y Sung
Endoscopy Center, Prince of Wales Hospital, Chinese University of Hong Kong, Shatin, Hong Kong
Ann Intern Med 139:237-43. 2003..The optimal treatment of ulcers with nonbleeding visible vessels and adherent clots is unclear...
Randomized, double-blinded, placebo-controlled trial of intravenously administered hyoscine N-butyl bromide in patients undergoing colonoscopy with patient-controlled sedationLik-man Mui
Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, NT, Hong Kong SAR, China
Gastrointest Endosc 59:22-7. 2004..CONCLUSIONS: Premedication with intravenously administered hyoscine N-butyl bromide impedes colonoscope insertion and causes greater patient discomfort, as well as hemodynamic instability...
Invited commentaryEnders K W Ng
Department of Surgery, The Chinese University of Hong Kong, Prince of Wales Hospital, Shatin, Hong Kong, China
Ann Thorac Surg 82:1862. 2006
Screening for gastric cancer in Asia: current evidence and practiceWai K Leung
Institute of Digestive Disease, Chinese University of Hong Kong, Hong Kong, China
Lancet Oncol 9:279-87. 2008..At present, there is a paucity of quality data from Asia to lend support for screening for gastric cancer...
Biliary decompression by nasobiliary catheter or biliary stent in acute suppurative cholangitis: a prospective randomized trialDanny W H Lee
Department of Surgery and Medicine, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong SAR, China
Gastrointest Endosc 56:361-5. 2002..The indwelling stent was associated with less postprocedure discomfort and avoided the potential problem of inadvertent removal of the nasobiliary catheter...
Delayed radiation myelopathy after concurrent chemoradiation for hypopharyngeal-esophageal carcinomaLam Chan
Acta Oncol 44:177-9. 2005
Changes of interleukin expression correlate with Helicobacter pylori infection and lymph node metastases in gastric carcinomaXiao Y Zhang
Institute of Digestive Diseases, 4th Military University, Xian, PR China
Diagn Mol Pathol 11:135-9. 2002..Overexpression of IL-8 in HP associated gastric carcinomas suggested that they might have arisen from HP-infected epithelial cells...
Premedication with orally administered midazolam in adults undergoing diagnostic upper endoscopy: a double-blind placebo-controlled randomized trialLik-man Mui
Gastrointest Endosc 61:195-200. 2005..CONCLUSIONS: Premedication by oral administration of midazolam is a safe and an effective method of sedation that significantly reduces anxiety and improves overall tolerance for patients undergoing EGD...
Diagnosis of gastric cancer by serum proteomic fingerprintingTerence C W Poon
Institute of Digestive Diseases of the Chinese University of Hong Kong, Hong Kong, Special Administrative Region, The People's Republic of China
Gastroenterology 130:1858-64. 2006..CONCLUSIONS: A unique serum proteomic fingerprint can be detected in the sera of gastric cancer patients, which may be useful in the noninvasive diagnosis of gastric cancer...
Peroral transgastric endoscopic ligation of fallopian tubes with long-term survival in a porcine modelPhilip W Y Chiu
Gastrointest Endosc 62:472; author reply 472. 2005
