WebA well-known side effect of PPI therapy that may cause serious differential diagnostic problems is the elevation of serum chromogranin A (CgA). Objective: We report a case … WebChromogranin A is a protein stored and released with peptides and amines in a variety of neuroendocrine tissues. The plasma level of chromogranin A in patients with neuroendocrine tumors has a sensitivity and specificity of 75% and 84%, respectively. Chromogranin A levels increase with tumor burden.
An unusual case of proton pump inhibitor induced ... - PubMed
WebApr 14, 2024 · Lansoprazole, like all proton pump inhibitors (PPIs), might increase the counts of bacteria normally present in the gastrointestinal tract. ... Increased Chromogranin A (CgA) level may interfere with investigations for neuroendocrine tumours. To avoid this interference, lansoprazole oro-dispersible treatment should be stopped for at least 5 ... WebObjective: In atrophic body gastritis (ABG) chronic hypergastrinaemia stimulates enterochromaffin-like (ECL) cell proliferation with development of cell hyperplasia, dysplasia and possibly type-1 gastric carcinoids. As circulating chromogranin A (CgA) levels are a marker of neuroendocrine tumours, we evaluated the clinical usefulness of CgA assay in … dialyse annaberg buchholz
A high chromogranin A: Is it always a tumor?
WebChromogranin A is a 439-residue-long glycoprotein [15, 16], a member of a larger family of soluble secretory proteins (granin proteins) that includes also chromogranin B (CgB), … WebChromogranin A (CgA) is regarded as a major, nonspecific neuroendocrine tumour (NET) marker. The results of CgA blood concentration, however, may actually be influenced by … WebJan 19, 2024 · Of particular note, the prolonged use of proton pump inhibitors (PPIs) or of an insurmountable H2–antagonist loxtidine, induced malignant ECL-derived tumors in the oxyntic mucosa of rodents. ... Three months after stopping PPI, both serum gastrin and chromogranin A had returned to normal and ECL-cell hyperplasia had disappeared, but … cipherlab install