Summary
Background Amyloidosis is one of the unusual diseases about which a physician may not think when it is affecting the patient. During the last three decades, there has been an enormous progress in the understanding of the chemical nature, classification, pathogenesis, clinical features, diagnostic measures and therapy of this disorder.
Aim To provide an updated review of amyloidosis affecting the gastrointestinal tract.
Methods Review of current medical literature.
Results Amyloid proteins (irrespective of the type) can deposit in various parts of the gastrointestinal tract and liver resulting in symptoms of abdominal pain, dysmotility, diarrhoea, gastrointestinal bleeding, hepatomegaly and even portal hypertension with its associated complications. Definitive diagnosis can only be made by histological examination of the affected organ. Disease modifying treatment with high‐dose chemotherapy followed by autologous stem‐cell transplantation has shown promise. Liver transplantation is an option for a select group of patients.
Conclusions Suspicion of gastrointestinal amyloidosis in patients without known history of amyloidosis is difficult, but should be considered in those older than 30 years with unexplained diarrhoea, weight loss, autonomic dysfunction, malabsorption or proteinuria. While most gastrointestinal complications are managed symptomatically, causal therapy is reserved for a select few from various subtypes of this disorder.
In CHC patients, a normal serum creatinine concentration does not assure normal kidney function. Estimation of eGFR with the aMDRD equation is a more accurate method of identifying patients with chronic kidney disease and reduced eGFR. Therefore, CHC patients should be screened more rigorously for chronic kidney disease because of the high prevalence of reduced eGFR. Lastly, in all CHC patients, the aMDRD eGFR should be used in each encounter with these patients when assessing their renal function irrespective of their serum creatinine.
Our data suggest that the tandem nature of the procedure rather than the optical techniques was associated with the detection of additional polyps' and adenomas.
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