Assessment of the content of neuroendocrine cells in the gastric mucosa in patients with autoimmune gastritis
https://doi.org/10.18499/2225-7357-2022-11-3-109-113
Abstract
The aim of the study was to evaluate the content of neuroendocrine cells in immunohistochemically stained preparations and determine differences in the number of neuroendocrine cells (NEC) in the body of the stomach in autoimmune gastritis (AIG) and other forms of gastritis.
Material and methods. The study included 27 cases of AIG and 9 cases of chronic atrophic gastritis not associated with autoimmune mechanisms of disease. The age of the patients ranged from 36 to 77 years and averaged 54.9 years. Biopsies were taken according to accepted protocols: 2–3 biopsies from the antrum and 2 biopsies from the body of the stomach. An immunohistochemical reaction was carried out with an antibody to chromogranin A on an automatic Bond Max immunostainer (Leica, Germany). The slides were digitized on an Aperio AT2 scanner (Leica, Germany), and QuPath v.0.3.0 software for viewing and analyzing digital images of slides was used for morphometric analysis of digital images and counting. The results were processed in the Jamovi program, Version 1.6 (https://www.jamovi.org).
Results. According to the results of counting in the group of patients with AIG, there was an increase in the quantity of NEC. Ranges of hyperplasia of neuroendocrine cells were revealed: 648–1736 cells per 1 mm2 square were detected for AIG, 416–605 cells per 1 mm2 for other forms of gastritis. In the AIG group median is 925 cells per 1 mm2, the 1st quartil is 877 cells per 1 mm2, 3rd quartil is 1172 cells per 1 mm2, interquartile range is 295 cells per 1 mm2 (asymmetrical distribution). In the group with other forms of gastritis arithmetic mean is 522±23 cells per millimeter square (normal distribution).
Conclusion. The obtained results allowed to confirm NEC hyperplasia in patients with AIG. A statistically significant difference was found in the number of NEC in the body of the stomach in the group of AIG and other gastritis (p≤0,01), which can be proposed as an additional morphological criteria for diagnosing AIG.
About the Authors
D. P. Nagornaya
I. M. Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation
Russian Federation
Darina P. Nagornaya – postgraduate student
ul. Bol'shaya Pirogovskaya, 2, str. 4, Moscow, 119435
S. D. Sarkisyan
I. M. Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation
Russian Federation
Susanna D. Sarkisyan – student
Moscow
O. V. Vasil'eva
I. M. Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation
Russian Federation
Ol'ga V. Vasil'eva– student
Moscow
K. A. Il'icheva
I. M. Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation
Russian Federation
Kseniya A. Il'icheva – student
Moscow
A. S. Tertychnyi
I. M. Sechenov First Moscow State Medical University (Sechenov University)
Russian Federation
Russian Federation
Aleksandr S. Tertychnyi – Doct. Med. Sci., Prof.
Moscow
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Review
For citations:
Nagornaya D.P., Sarkisyan S.D., Vasil'eva O.V., Il'icheva K.A., Tertychnyi A.S. Assessment of the content of neuroendocrine cells in the gastric mucosa in patients with autoimmune gastritis. Journal of Anatomy and Histopathology. 2022;11(3):109-113. (In Russ.) https://doi.org/10.18499/2225-7357-2022-11-3-109-113
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