eISSN: 1897-4317
ISSN: 1895-5770
Gastroenterology Review/Przegląd Gastroenterologiczny
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Portal dla gastroenterologów!
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SCImago Journal & Country Rank
3/2019
vol. 14
 
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Artykuł oryginalny

High-resolution magnified endoscopy combined with flexible spectral imagining colour enhancement techniques in the diagnosis of Helicobacter pylori disease

Omer Burcak Binicier
1
,
Gozde Dervis Hakim
1
,
Sadiye Mehtat Unlu
2
,
Omer Selahattin Topalak
3

1.
Department of Gastroenterology, Tepecik Education and Research Hospital, Izmir, Turkey
2.
Department of Pathology, Faculty of Medicine, Dokuz Eylul Universıty, Izmir, Turkey
3.
Department of Gastroenterology, Faculty of Medicine, Dokuz Eylul Universıty, Izmir, Turkey
Data publikacji online: 2019/09/27
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Aim
To evaluate the efficiency of the flexible spectral imaging colour enhancement (FICE) procedure added to high-resolution magnified endoscopy (HRME) for the evaluation of structural changes in gastric mucosa infected with Helicobacter pylori (H. pylori).

Material and methods
A total of 104 patients were included in the study. First HRME and then HRME + FICE methods were used for the evaluation of the gastric mucosal structure, and examined areas were studied histopathologically. Mucosal appearance was evaluated with the modified Yagi classification. Images were shown to five endoscopists in order to examine inter- and intra-observer variability in image assessment.

Results
Sensitivity and specificity of the image pattern noted with HRME in the antrum in the detection of H. pylori were 67.9% and 84.6%, respectively, while these were 93.5% and 92.3%, respectively, with HRME + FICE. Type 5 pattern in the antrum, which we thought to be associated with intestinal metaplasia, was not observed in any patient with HRME. Sensitivity and specificity values of type 5 pattern noted with HRME + FICE technique for intestinal metaplasia were 50% and 98.8%, respectively.

Conclusions
The results show that HRME + FICE as a digital chromoendoscopic method provided an additional diagnostic contribution to HRME for showing the presence of H. pylori and intestinal metaplasia and is a method with higher sensitivity and specificity. The “patchy appearance” (type 5) observed in the antrum not previously described in the evaluations with FICE can be a guiding sign especially for the diagnosis of intestinal metaplasia.

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