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Table 1 Clinical characteristics of familial adenomatous polyposis patients with gastric adenomas

From: Gastric adenomas in familial adenomatous polyposis are common, but subtle, and have a benign course

Patient

Age/gender

Type of lesion

Site of polyp

Number of adenoma

Largest size (mm)

Histology

Treatment × treatment sessions

Duration of endoscopic follow up (months)

Post treatment outcome

1

52 F

Flat

Antrum

1

NA

Tubular

CBF × 1

9

No residual adenoma at last EGD

2

24 M

Sessile

Body in the background of FGP

Multiple

40

Tubulovillous

Endoscopic mucosal resection × 1

3

Residual adenoma

3

51 F

Sessile

Antrum

3

10

Tubular

CBF × 1

11

Pending repeat EGD

4

18 M

Pedunculated and sessile

Fundus in the background of FGP

Multiple

5

Tubular

CBF × 1

12

Pending repeat EGD

5

39 M

Flat and sessile

Antrum

20

8

Tubular

CBF × 2

19

Residual adenoma

6

51 F

Sessile

Body

Multiple

3

Tubular

CBF × 4

109

No residual adenoma at the last EGD

7

38 F

Sessile

Antrum

>13

15

Tubular with HGD

Hot snare × 3

11

HGD was present at the last EGD. Death due to desmoid tumor.

8

32 F

NA

Body in the background of FGP

Multiple

4

Tubular

CBF × 2

65

No residual adenoma at last EGD

9

24 M

Sessile

Antrum, cardia

2

6

Tubular

CBF × 1

23

No residual adenoma at last EGD

  1. CBF: Cold biopsy forceps; EGD: esophagogastroduodenoscopy; FGP: fundic gland polyps; HGD: high-grade dysplasia; NA: not available.