Displaying all 11 publications

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  1. Wan Abdul Rahman WF, Mutum SS, Fauzi MH
    BMJ Case Rep, 2013;2013.
    PMID: 23878290 DOI: 10.1136/bcr-2013-010172
    Cysts of the oesophagus are unusual findings and they are classified according to the embryological site of origin. It may represent inclusion cysts, retention cysts and developmental cysts. We present a case of keratinous inclusion cyst of the lower oesophagus in a 71-year-old Malay woman who presented with dyspepsia and severe epigastric pain. An oesophago-gastro-duodenoscopy demonstrated a sliding hiatus hernia with whitish ulcer-like lesion at the lower oesophagus. Biopsy from the lesion revealed a keratinous inclusion cyst. The patient was given pantoprazole and put on regular follow-up for monitoring any other development.
    Matched MeSH terms: Esophagus/pathology
  2. Yeoh NTL, Looi LM, Smiley TB
    Med J Malaysia, 1984 Jun;39(2):127-30.
    PMID: 6513850
    This paper discusses the feasibility of using a free pericardial patch in repairing defects of the esophagus. The experimental model used is the dog. A piece of the side wall of the esophagus is first excised. This defect in the esophagus is then covered
    with a free patch of pericardium. The animals are then sacrificed at sequential dates and the grafted site submitted for microscopic examination. The results show that a free graft of pericardium when used as a patch can prevent leakage of esophageal contents and allow healing of the defect without gross narrowing of the lumen.
    Matched MeSH terms: Esophagus/pathology
  3. Rajendra S, Kutty K, Karim N
    Dig Dis Sci, 2004 Feb;49(2):237-42.
    PMID: 15104363
    Recent studies indicate that the prevalence of gastroesophageal reflux disease in Asia is either increasing or better recognized. There is a paucity of reliable data on the prevalence of reflux disease in the various races in general and in Malaysia, in particular. The prevalence of erosive esophagitis and Barrett's esophagus in a multiethnic Malaysian population was studied, as well as the relationship of various factors associated with reflux disease. Chinese, Malay, and Indian patients undergoing gastroscopy in a tertiary referral center were assessed for the presence of esophagitis, hiatus hernia, and Barrett's esophagus. Patient demographics and risk factors associated with gastroesophageal reflux disease were also documented. The prevalence of endoscopically documented esophagitis among 1985 patients was 6.1%, the majority of which were mild, Grade I or II (88%). There was a preponderance of Indians with esophagitis, as well as males (P < 0.05) and those with the presence of a hiatus hernia (P < 0.01). Long-segment Barrett's esophagus was found in 1.6% of patients, and short-segment Barrett's in 4.6%. Indians had the highest prevalence of Barrett's esophagus compared with Chinese (P < 0.05) or Malays (P < 0.01). Hiatus hernia and erosive esophagitis were both positively associated with Barrett's metaplasia (P < 0.01). A significant proportion of Malaysian patients undergoing endoscopy has mild reflux esophagitis and Barrett's esophagus. Indian ethnicity and the presence of a hiatus hernia were significantly associated with endoscopic esophagitis and Barrett's metaplasia. These observed racial differences warrant further study.
    Matched MeSH terms: Barrett Esophagus/pathology; Esophagus/pathology
  4. Srilatha PS, Suvarna N, Gupta A, Bhat G
    Indian J Pathol Microbiol, 2011 Jan-Mar;54(1):219-20.
    PMID: 21393929 DOI: 10.4103/0377-4929.77420
    Matched MeSH terms: Esophagus/pathology
  5. Claveria FG, Cruz MJ
    Parasitol Int, 2000 Jan;48(3):243-7.
    PMID: 11227764
    Ultrastructural studies of sarcocysts obtained from Philippine water buffaloes revealed the presence of the commonly reported macroscopic species, Sarcocystis fusiformis, and the microscopic species Sarcocystis levinei (Dissanaike A, Kan S. Studies on Sarcocystis in Malaysia. I: Sarcocystis levinei n.sp. from the water buffalo Bubalus bubalis. Z Parasitenkd 1978;55:127-38), (Huong L, Dubey J, Uggla A. Redescription of Sarcocystis levinei Dissanaike and Kan, 1978 (Protozoa: Sarcocystidae) of the water buffalo (Bubalus bubalis). J Parasitol 1997;83:1148-52). The globular to oval microscopic cysts commonly observed in the muscles of the diaphragm and neck exhibit compartmentalized arrangement of zoites with septal partitions and measure 13-48 microns in diameter. The parasitophorous vacuolar membrane of sarcocyst bears minute and hair-like villar protrusions measuring 2.3-2.75 microns long emanating at certain distances from the primary cyst wall and lack microfilaments. Villar protrusions have expanded to dome-shaped base measuring 0.33-1.6 microns long by 0.22-1.0 micron wide, and intermediate and tapering distal segments bent approximately 90 degrees and run parallel to the cyst surface. The distal segments at some areas join to form conical tufts. The primary cyst wall bears numerous prominent undulations that are arranged in small clusters. The ground substance is 0.42-0.57 micron thick. This paper documents the first report of S. levinei in Philippine water buffaloes possessing the type 7 cyst wall.
    Matched MeSH terms: Esophagus/pathology
  6. Ramesh JC, Ramanujam TM, Jayaram G
    Pediatr Surg Int, 2001 Mar;17(2-3):188-92.
    PMID: 11315285
    The aim of this paper is to report three cases of congenital esophageal stenosis (CES) of different anatomical varieties: (1) stenosis due to tracheobronchial remnants (TBR) involving the lower third of the esophagus; (2) fibromuscular stenosis (FMS) of the middle third; and (3) a membranous diaphragm (MD) involving the lower third. The first two patients were treated by segmental resection of the esophagus and end-to-end anastomosis with dramatic relief of symptoms. The third responded to dilatation. CES is a rare lesion, and about 500 cases are reported in the literature. CES due to TBR and fibromuscular hypertrophy is considered a segmental stenosis, as it involves a length of the esophageal wall, whereas the MD consists of mucosal folds and does not involve its muscular layer. The clinical presentation is varied, and a high index of suspicion is essential to arrive at an early diagnosis. Management depends on the type and severity of the stenosis. Stenosis due to TBR requires segmental resection. FMS may respond to dilatation, but severe degrees of stenosis require segmental excision. MDs usually respond to dilatation or may require endoscopic excision. Segmental stenosis can occur as an isolated lesion or in association with esophageal atresia or stenosis due to a MD. Based on this observation, a classification of CES is proposed.
    Matched MeSH terms: Esophagus/pathology
  7. Ahmed S, Kreft A, Chowdhury EH, Hossain SM, Galle PR, Neumann H
    PLoS One, 2020;15(10):e0239814.
    PMID: 33002048 DOI: 10.1371/journal.pone.0239814
    BACKGROUND AND STUDY AIMS: Despite major technical advancements, endoscopic surveillance for detecting premalignant lesions in Barrett's esophagus is challenging because of their flat appearance with only subtle morphological changes. Molecular endoscopic imaging (MEI) using nanoparticles (NPs), coupled with fluorescently labeled antibody permits visualization of disease-specific molecular alterations. The aim of this ex vivo study was to assess the diagnostic applicability of MEI with NPs to detect Barrett's metaplasia.

    PATIENTS AND METHODS: Seven patients undergoing endoscopic surveillance of known Barrett's esophagus were recruited. Freshly resected biopsy specimens were incubated with NPs coupled with FITC labeled Muc-2 antibodies and examined with MEI. Fluorescence intensity from Barrett's mucosa and control specimens were compared, followed by histological confirmation.

    RESULTS: Fluorescence signals, indicating the presence of goblet cells, were noted for traditional MEI using Muc-2 antibodies in Barrett's intestinal metaplasia. Significantly stronger fluorescence signals were achieved with NPs coupled with FITC-conjugated Muc-2 antibodies. The results of MEI with NPs for the prediction of Barrett's metaplasia correlated with the final histopathological examination in all the cases.

    CONCLUSIONS: Highly-specific NPs detected Barrett's metaplasia more efficiently than conventional MEI in this first feasibility study. MEI was as effective as standard histopathology for identifying Muc-2 containing goblet cells for diagnosis of Barrett's metaplasia. (DRKS-ID: DRKS00017747).

    Matched MeSH terms: Barrett Esophagus/pathology
  8. Griffiths EA, Oesophago-Gastric Anastomotic Audit (OGAA) Collaborative, Writing Committee, Data Analysis, Steering Committee, National Leads, et al.
    Eur J Surg Oncol, 2024 Jun;50(6):107983.
    PMID: 38613995 DOI: 10.1016/j.ejso.2024.107983
    BACKGROUND: Both anastomotic leak (AL) and conduit necrosis (CN) after oesophagectomy are associated with high morbidity and mortality. Therefore, the identification of preoperative, modifiable risk factors is desirable. The aim of this study was to generate a risk scoring model for AL and CN after oesophagectomy.

    METHODS: Patients undergoing curative resection for oesophageal cancer were identified from the international Oesophagogastric Anastomosis Audit (OGAA) from April 2018-December 2018. Definitions for AL and CN were those set out by the Oesophageal Complications Consensus Group. Univariate and multivariate analyses were performed to identify risk factors for both AL and CN. A risk score was then produced for both AL and CN using the derivation set, then internally validated using the validation set.

    RESULTS: This study included 2247 oesophagectomies across 137 hospitals in 41 countries. The AL rate was 14.2% and CN rate was 2.7%. Preoperative factors that were independent predictors of AL were cardiovascular comorbidity and chronic obstructive pulmonary disease. The risk scoring model showed insufficient predictive ability in internal validation (area under the receiver-operating-characteristic curve [AUROC] = 0.618). Preoperative factors that were independent predictors of CN were: body mass index, Eastern Cooperative Oncology Group performance status, previous myocardial infarction and smoking history. These were converted into a risk-scoring model and internally validated using the validation set with an AUROC of 0.775.

    CONCLUSION: Despite a large dataset, AL proves difficult to predict using preoperative factors. The risk-scoring model for CN provides an internally validated tool to estimate a patient's risk preoperatively.

    Matched MeSH terms: Esophagus/pathology
  9. Fathinul Fikri AS, Dharmendran R, Vikneswaran P, Nordin AJ
    Abdom Imaging, 2015 Aug;40(6):1457-64.
    PMID: 25576048 DOI: 10.1007/s00261-014-0343-2
    A study was undertaken to investigate the value of pretreatment PET-CT in predicting survival in patients with oesophageal cancer (OC).
    Matched MeSH terms: Esophagus/pathology
  10. Rosaida MS, Goh KL
    Eur J Gastroenterol Hepatol, 2004 May;16(5):495-501.
    PMID: 15097043
    OBJECTIVE: To determine the prevalence of and risk factors for gastro-oesophageal reflux disease (GORD), reflux oesophagitis and non-erosive reflux disease (NERD) amongst Malaysian patients undergoing upper gastrointestinal endoscopic examination.

    DESIGN: A cross-sectional study on consecutive patients with dyspepsia undergoing upper gastrointestinal endoscopy.

    SETTING: A large general hospital in Kuala Lumpur, Malaysia.

    PARTICIPANTS: Consecutive patients undergoing endoscopy for upper abdominal discomfort were examined for the presence of reflux oesophagitis, hiatus hernia and Barrett's oesophagus. The diagnosis and classification of reflux oesophagitis was based on the Los Angeles classification. Patients with predominant symptoms of heartburn or acid regurgitation of at least one per month for the past 6 months in the absence of reflux oesophagitis were diagnosed as having NERD. The prevalence of GORD, reflux oesophagitis and NERD were analysed in relation to age, gender, race, body mass index (BMI), presence of hiatus hernia, Helicobacter pylori status, alcohol intake, smoking and level of education.

    RESULTS: One thousand patients were studied prospectively. Three hundred and eighty-eight patients (38.8%) were diagnosed as having GORD based on either predominant symptoms of heartburn and acid regurgitation and/or findings of reflux oesophagitis. One hundred and thirty-four patients (13.4%) had endoscopic evidence of reflux oesophagitis. Two hundred and fifty-four (65.5%) were diagnosed as having NERD. Hiatus hernia was found in 6.7% and Barrett's oesophagus in 2% of patients. Of our patients with reflux oesophagitis 20.1% had grade C and D oesophagitis. No patients had strictures. Following logistic regression analysis, the independent risk factors for GORD were Indian race (odds ratio (OR), 3.25; 95% confidence interval (CI), 2.38-4.45), Malay race (OR, 1.67; 95% CI, 1.16-2.38), BMI > 25 (OR, 1.41; 95% CI, 1.04-1.92), presence of hiatus hernia (OR, 4.21; 95% CI, 2.41-7.36), alcohol consumption (OR, 2.42; 95% CI, 1.11-5.23) and high education level (OR, 1.52; 95% CI, 1.02-2.26). For reflux oesophagitis independent the risk factors male gender (OR, 1.64; 95% CI, 1.08-2.49), Indian race (OR, 3.25; 95% CI, 2.05-5.17), presence of hiatus hernia (OR, 11.67; 95% CI, 6.40-21.26) and alcohol consumption (OR, 3.22; 95% CI, 1.26-8.22). For NERD the independent risk factors were Indian race (OR, 3.45; 95% CI, 2.42-4.92), Malay race (OR, 1.80; 95% CI, 1.20-2.69), BMI > 25 (OR, 1.47; 95% CI, 1.04, 2.06) and high education level (OR, 1.66; 95% CI, 1.06-2.59).

    CONCLUSIONS: Reflux oesophagitis and Barrett's oesophagus were not as uncommon as previously thought in a multiracial Asian population and a significant proportion of our patients had severe grades of reflux oesophagitis. NERD, however, still constituted the larger proportion of patients with GORD. Indian race was consistently a significant independent risk factor for reflux oesophagitis, NERD and for GORD overall.

    Matched MeSH terms: Barrett Esophagus/pathology
  11. Oesophago-Gastric Anastomotic Audit (OGAA) Collaborative: Writing Committee, Steering Committee, National Leads, Site Leads, Collaborators
    Eur J Surg Oncol, 2021 Jun;47(6):1481-1488.
    PMID: 33451919 DOI: 10.1016/j.ejso.2020.12.006
    BACKGROUND: No evidence currently exists characterising global outcomes following major cancer surgery, including esophageal cancer. Therefore, this study aimed to characterise impact of high income countries (HIC) versus low and middle income countries (LMIC) on the outcomes following esophagectomy for esophageal cancer.

    METHOD: This international multi-center prospective study across 137 hospitals in 41 countries included patients who underwent an esophagectomy for esophageal cancer, with 90-day follow-up. The main explanatory variable was country income, defined according to the World Bank Data classification. The primary outcome was 90-day postoperative mortality, and secondary outcomes were composite leaks (anastomotic leak or conduit necrosis) and major complications (Clavien-Dindo Grade III - V). Multivariable generalized estimating equation models were used to produce adjusted odds ratios (ORs) and 95% confidence intervals (CI95%).

    RESULTS: Between April 2018 to December 2018, 2247 patients were included. Patients from HIC were more significantly older, with higher ASA grade, and more advanced tumors. Patients from LMIC had almost three-fold increase in 90-day mortality, compared to HIC (9.4% vs 3.7%, p 

    Matched MeSH terms: Esophagus/pathology
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