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您的检索式：作者名="Sergey Z Chukov"
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| 1 | Updated Kimura-Takemoto classification of atrophic gastritis显示文摘BACKGROUND The Updated Sydney system for visual evaluation of gastric mucosal atrophy viaendoscopic observation is subject to sampling error and interobserver variability.The Kimura-Takemoto classification system was developed to overcome theselimitations.AIMTo compare the morphological classification of atrophic gastritis between theKimura-Takemoto system and the Updated Sydney system.METHODSA total of 169 patients with atrophic gastritis were selected according to diagnosisby the visual endoscopic Kimura-Takemoto method. Following the UpdatedKimura-Takemoto classification system, one antrum biopsy and five gastriccorpus biopsies were taken according to the visual stages of the Kimura-Takemoto system. The Updated Kimura-Takemoto classification system was thenapplied to each and showed 165 to have histological mucosal atrophy;theremaining 4 patients had no histological evidence of atrophy in any biopsy. The Updated Kimura-Takemoto classification was verified as a referencemorphological method and applied for the diagnosis of atrophic gastritis. Addingone more biopsy from the antrum to the six biopsies according to the Updated Kimura-Takemoto classification, constitutes the updated combined Kimura-Takemoto classification and Sydney system.RESULTSThe sensitivity for degree of mucosal atrophy assessed by the Updated Sydneysystem was 25% for mild, 36% for moderate, and 42% for severe, when comparedwith the Updated Kimura-Takemoto classification of atrophic gastritis formorphological diagnosis. Four types of multifocal atrophic gastritis wereidentified: sequential uniform (type 1;in 28%), sequential non-uniform (type 2;in7%), diffuse uniform (type 3;in 23%), diffuse non-uniform (type 4;in 24%), and'alternating atrophic – non-atrophic' (type 5;in 18%). The pattern of the spread ofatrophy, sequentially from the antrum to the cardiac segment of the stomach,which was described by the Updated Kimura-Takemoto system, washistologically confirmed in 82% of cases evaluated.CONCLUSIONThe Updated Sydney system is significantly inferior to the Updated Kimura-Takemoto classification for morphological verification of atrophic gastritis. | Sergey M Kotelevets Sergey A Chekh Sergey Z Chukov | 2021 | World Journal of Clinical Cases2021，9，13： | 8 |
| 2 | Cancer risk stratification system and classification of gastritis:Perspectives显示文摘Kyoto global consensus reports that the current ICD-10 classification for gastritis is obsolete.The Kyoto classification of gastritis states that severe mucosal atrophy has a high risk of gastric cancer,while mild to moderate atrophy has a low risk.The updated Kimura-Takemoto classification of atrophic gastritis considers five histological types of multifocal corpus atrophic gastritis according to stages C2 to O3.This method of morphological diagnosis of atrophic gastritis increases sensitivity by 2.4 times for severe atrophy compared to the updated Sydney system.This advantage should be considered when stratifying the high risk of gastric cancer.The updated Kimura-Takemoto classification of atrophic gastritis should be used as a reference standard(gold standard)in studies of morphofunctional relationships to identify serological markers of atrophic gastritis with evidence-based effectiveness.The use of artificial intelligence in the serological screening of atrophic gastritis makes it possible to screen a large number of the population.During serological screening of atrophic gastritis and risk stratification of gastric cancer,it is advisable to use the Kyoto classification of gastritis with updated Kimura-Takemoto classification of atrophic gastritis. | Sergey M Kotelevets Sergey A Chekh Sergey Z Chukov | 2023 | World Journal of Meta-Analysis2023，11，1： | 0 |
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