Tropical sprue (TS) is a clinical entity of unknown etiology characterized by an acquired chronic diarrheal illness and malabsorption that affects indigenous inhabitants and expatriates, either long-term residents or short-term visitors, in the tropical countries. The exact pathogenetic sequence of TS remains incompletely characterized. Bacterial overgrowth, disturbed gut motility, and hormonal and histopathologic abnormalities contribute to the development of TS in a susceptible host. Treatment with tetracycline and folate is effective in some patients, although relapses after treatment are common. Research in the areas of microbial factors, pathogenesis, immunogenetics, and hormonal and immune regulation, using modern diagnostic techniques, may be able to settle some of the unanswered issues and open new venues for diagnosis, prevention, and treatment of tropical sprue.
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http://dx.doi.org/10.1007/s11894-005-0002-4 | DOI Listing |
Dig Endosc
January 2025
Gastrointestinal and Hepato-Biliary-Pancreatic Center, Chihaya Hospital, Fukuoka, Japan.
Cureus
February 2024
Department of Internal Medicine, Centro Hospitalar Universitário de Santo António, Porto, PRT.
Chronic diarrhea is a common disorder in tropical regions, affecting residents, visitors, and even expatriates. It may stem from a myriad of infectious, inflammatory, and even malignant causes. In patients in whom no etiology has been found, tropical sprue (TS) is an important diagnosis to consider.
View Article and Find Full Text PDFCeliac disease is an autoimmune disorder characterized by a broad spectrum of histological damage to the intestinal mucosa. Comprehension and understanding of the association between anti-tissue transglutaminase (anti-tTG) antibody levels and the histological severity of celiac disease are not well established, prompting the need for meta-analysis. This study aims to offer insights into the diagnostic abilities of anti-tTG antibody levels in determining the histological severity of celiac disease by providing quantitative evidence based on a diverse range of studies.
View Article and Find Full Text PDFDig Dis Sci
March 2024
Division of Digestive and Liver Diseases, Celiac Disease Center, Columbia University Irving Medical Center, New York, NY, USA.
Background: The diagnosis of celiac disease (CD) is based on positive IgA autoantibodies to tissue transglutaminase (TTG IgA) and confirmatory histopathology demonstrating duodenal villus atrophy (VA). Diagnostic challenges can occur when VA is found on duodenal biopsies in patients without prior CD serologies.
Aims: To characterize the predictors of CD seropositivity in patients with VA on biopsy without prior CD serologies.
Gastroenterol Hepatol Bed Bench
January 2023
Department of Gastroenterology, MidCentral District Health Board, Palmerston North, New Zealand.
Aim: The aim of this study was to explore the aetiology of severe duodenal mucosal abnormality in consecutive patients who underwent gastroscopy and duodenal biopsy over the past 10 years.
Background: A range of differential diagnoses have been reported for severe duodenal architectural distortion.
Methods: Clinical and laboratory data of all the patients with severe duodenal architectural distortion diagnosed at MidCentral District Health Board (DHB), New Zealand were collected and statistically analysed.
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