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Table 1 Preneoplastic lesions of the GI tract used for mitochondrial DNA analysis

From: Mitochondrial DNA mutations in preneoplastic lesions of the gastrointestinal tract: A biomarker for the early detection of cancer

Case

Histology of Preneoplastic Lesion

Matched Normal

1

Barrett esophagus, negative for dysplasia

Yes; squamous mucosa

2

Barrett esophagus, negative for dysplasia

Yes; squamous mucosa

3

Barrett esophagus with low grade dysplasia

Yes; squamous mucosa

4

Barrett esophagus with low grade dysplasia

Yes; squamous mucosa

5

Barrett esophagus with low grade dysplasia

Yes; squamous mucosa

6

Barrett esophagus with low grade dysplasia

Yes; squamous mucosa

7

Barrett esophagus with high grade dysplasia

Yes; squamous mucosa

8

Tubular adenoma

Yes; colonic mucosa

9

Tubular adenoma

Yes; colonic mucosa

10

Tubular adenoma

Yes; colonic mucosa

11

Sessile serrated adenoma

Yes; colonic mucosa

12

Dysplasia associated lesion or mass (DALM)

No; inactive and active colitis

13

Dysplasia associated lesion or mass (DALM)

No; inactive colitis

14

Dysplasia associated lesion or mass (DALM)

No; inactive colitis