Metastatic type 1 gastric carcinoid: A real threat or just a myth?

Table 4 Features associated with the diagnosis of gastric carcinoid type 1 in our patients

Patient No.	Vitamin B12 levels (n. 180-670 pmol/L)	APCA	Gastrin levels (n. 40-108 mU/L)	Prior use of PPIs	1st gastroscopy (macroscopic)	Histo-pathology	H.Pylori
1	45	positive (1/20)	1811	no	multiple	CAG + IM	negative
2	165	positive	-	no	solitary	CAG + IM + NECH	-
3	333	positive (1:160)	2204	no	multiple	CAG + NECH	negative
4	186	positive (1:20)	1800	no	multiple	CAG + NECH	negative
5	104	positive (1:20)	1403	no	multiple	CAG + NECH	negative
6	122	positive (1:80)	-	no	multiple	CAG	-
7	121	-	700	no	solitary	CAG + IM + NECH	-
8	86	-	407	no	multiple	CAG + IM + NECH	-
9	50	-	-	no	solitary	CAG + NECH	-
10	-	positive (1:40)	5130	no	solitary	CAG	-
11	-	-	-	no	multiple	CAG	-
12	-	-	-	no	multiple	CAG	-
13	184	positive (1:160)	5470	no	solitary	CAG	-
14	121	positive	1336	no	multiple	CAG	-
15	215	-	3500	no	multiple	CAG	-
16	-	-	-	no	multiple	CAG + IM + NECH	-
17	345	-	1612	no	solitary	CAG	-
18	130	-	506	no	multiple	CAG	-
19	181	-	1600	no	multiple	CAG	negative
20	167	positive	458	no	multiple	CAG	-

APCA: Antiparietal cells antibodies; PPIs: Proton pump inhibitors; CAG: Chronic atrophic gastritis; IM: Intestinal metaplasia; NECH: Neuroendocrine cells hyperplasia; H. pylori: Helicobacter pylori.