Evidence of Helicobacter spp. in Saliva and Gastric Mucosa of Domestic Dogs in the Central Region of Rio Grande do Sul, Brazil

Table 3

Case by case of frequency of the gastric bacterial colonisation density, presence of 16rRNA Helicobacter genus on saliva and stomach, and histologic findings with degrees of WSAVA classification.

Animal (no.) and history	16S rRNA PCR assay	Gastric bacterial colonisation density score	Histologic gastric lesion and degree (WSAVA classification)
1S	Saliva	Body: no bacteria; Antrum: no bacteria	Body: normal; Antrum: normal
2S	Negative	Body: no bacteria; Antrum: no bacteria	Body: mild, lymphocytic-plasmacytic, eosinophilic and neutrophilic infiltrate; Antrum: mild, neutrophilic infiltrate and fibrosis and mucosal atrophy
3S	Saliva, stomach	Body: moderate; Antrum: moderate	Body: normal; Antrum: normal
4S	Negative	Body: no bacteria; Antrum: no bacteria	Body: normal; Antrum: normal
5S	Saliva, stomach	Body: mild; Antrum: moderate	Body: normal; Antrum: normal
6S	Negative	Body: moderate; Antrum: mild	Body: severe, lymphofollicular hyperplasia; mild, lymphocytic-plasmacytic and neutrophilic infiltrate; Antrum: mild, lymphocytic-plasmacytic infiltrate
7S	Stomach	Body: moderate; Antrum: moderate	Body: moderate, lymphofollicular hyperplasia; mild, fibrosis and mucosal atrophy, lymphocytic-plasmacytic infiltrate and intraepithelial lymphocytes; Antrum: normal
8S	Stomach	Body: moderate; Antrum: mild	Body: normal; Antrum: NP
9A	Stomach	Body: mild; Antrum: severe	Body: normal; Antrum: NP
10A	Stomach	Body: moderate; Antrum: mild	Body: mild, lymphocytic-plasmacytic infiltrate; Antrum: NP
11A	Stomach	Body: severe; Antrum: moderate	Body: mild, lymphocytic-plasmacytic, neutrophilic and eosinophilic infiltrate and lymphofollicular hyperplasia; Antrum: mild, lymphocytic-plasmacytic infiltrate
12A	Stomach	Body: mild; Antrum: N/P	Body: mild, lymphocytic-plasmacytic infiltrate; Antrum: NP
13A	Negative	Body: mild; Antrum: moderate	Body: mild, lymphocytic-plasmacytic and neutrophilic infiltrate; Antrum: mild, lymphocytic-plasmacytic and neutrophilic infiltrate
14A	Stomach	Body: moderate; Antrum: severe	Body: NP; Antrum: mild, lymphocytic-plasmacytic and neutrophilic infiltrate and intraepithelial lymphocytes
15A	Stomach	Body: mild; Antrum: N/P	Body: mild, lymphocytic-plasmacytic, neutrophilic and eosinophilic infiltrate; Antrum: NP
16A	Stomach	Body: moderate; Antrum: mild	Body: normal Antrum: mild, lymphocytic-plasmacytic infiltrate
17A	Stomach	Body: moderate; Antrum: mild	Body: mild, lymphocytic-plasmacytic and neutrophilic infiltrate; Antrum: NP
18A	Negative	Body: mild Antrum: N/P	Body: mild, lymphocytic-plasmacytic infiltrate; Antrum: N/P
19A	Negative	Body: moderate; Antrum: moderate	Body: normal; Antrum: normal
20S	Stomach	Body: mild; Antrum: mild	Body: normal; Antrum: mild, lymphocytic-plasmacytic and eosinophilic infiltrate
21S	Stomach	Body: mild; Antrum: mild	Body: normal; Antrum: NP
22A	Saliva	Body: moderate; Antrum: severe	Body: normal; Antrum: normal
23A	Stomach	Body: mild; Antrum: mild	Body: mild, eosinophilic infiltrate; Antrum: normal
24A	Saliva, stomach	Body: mild; Antrum: mild	Body: normal; Antrum: normal
25A	Saliva, stomach	Body: severe; Antrum: severe	Body: normal; Antrum: NP
26A	Stomach	Body: severe; Antrum: N/P	Body: mild, lymphocytic-plasmacytic infiltrate; Antrum: NP
27S	Saliva, stomach	Body: mild; Antrum: mild	Body: normal; Antrum: NP
28A	Stomach	Body: moderate; Antrum: severe	Body: normal; Antrum: mild, lymphocytic-plasmacytic, neutrophilic and eosinophilic infiltrate
29A	Saliva, stomach	Body: moderate; Antrum: mild	Body: normal; Antrum: mild, intraepithelial lymphocytes
30A	Stomach	Body: moderate; Antrum: moderate	Body: mild, lymphocytic-plasmacytic and eosinophilic infiltrate and intraepithelial lymphocytes normal; Antrum: mild, lymphocytic-plasmacytic and eosinophilic infiltrate
31A	Stomach	Body: moderate; Antrum: moderate	Body: normal; Antrum: mild, lymphocytic-plasmacytic infiltrate
32A	Stomach	Body: moderate; Antrum: severe	Body: mild, lymphocytic-plasmacytic infiltrate; Antrum: mild, neutrophilic infiltrate
33A	Stomach	Body: mild; Antrum: moderate	Body: normal; Antrum: mild, eosinophilic infiltrate
34A	Saliva	Body: mild; Antrum: no bacteria	Body: mild, eosinophilic infiltrate; Antrum: mild, eosinophilic infiltrate
35A	Stomach	Body: severe; Antrum: moderate	Body: normal; Antrum: normal

NP: not performed; : unviable sample; A: asymptomatic (healthy); S: symptomatic (chronic vomiting).