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Predictive Value of Gastrin Levels for the Diagnosis of Gastric Enterochromaffin-Like Cell Hyperplasia in Patients with Hashimoto's Thyroiditis
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2014 (English)In: Neuroendocrinology, ISSN 0028-3835, E-ISSN 1423-0194, Vol. 99, no 2, 118-122 p.Article in journal (Refereed) Published
Abstract [en]

Aim: Gastrin and chromogranin A (CgA) levels have been tested for the diagnosis of enterochromaffin-like cell hyperplasia (ECLH) in patients with type 1 diabetes and autoimmune atrophic gastritis but not for patients with Hashimoto's thyroiditis (HT). The aim of the study was to develop receiver operating characteristic (ROC) curves for gastrin and CgA levels and other clinical and biochemical parameters, as means for pretest probability of gastric ECLH in patients with HT. Methods: A total of 115 patients with HT were prospectively studied for a median period of 4 (2-7) years. Gastrin, CgA, vitamin B-12, anti-parietal cell antibodies, free thyroxine, thyrotropin, and neuron-specific enolase levels were measured. Their predictive values were calculated according to the histological findings for ECLH diagnosis from esophago-gastroduodenoscopy- obtained biopsies. Results: Thirteen patients (11.3%) had ECLH. The areas under the curve for gastrin and CgA level were 0.898 (p < 0.001) and 0.853 (p < 0.001), respectively. The product sensitivity x specificity was 0.803 and 0.653 for gastrin and CgA levels >89.5 and >89.1 ng/ml, respectively. Two and 4 patients with ECLH had normal gastrin and CgA levels, respectively. The most specific combined parameters predicting ECLH were gastrin >89.5 ng/ml with concomitant low B-12 levels (96.1% specificity). Conclusion: Gastrin levels have high diagnostic accuracy for ECLH identification in patients with HT, and are highly specific when combined with low B-12 levels. However, they should be interpreted with caution, as some patients may harbor gastric ECLH even if gastrin levels are not increased, necessitating further follow-up. 

Place, publisher, year, edition, pages
2014. Vol. 99, no 2, 118-122 p.
Keyword [en]
Enterochromaffin-like cell hyperplasia, Gastrin, Hashimoto's thyroiditis
National Category
Endocrinology and Diabetes Cancer and Oncology Cell and Molecular Biology
Identifiers
URN: urn:nbn:se:uu:diva-231463DOI: 10.1159/000362879ISI: 000339732100007PubMedID: 24776735OAI: oai:DiVA.org:uu-231463DiVA: diva2:744799
Available from: 2014-09-08 Created: 2014-09-08 Last updated: 2017-12-05Bibliographically approved

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Tsolakis, Apostolos V.

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