TABLE 6.

Characteristics of Patients Regarding Gastric Carcinoids

CharacteristicGastric carcinoid presentGastric carcinoid absent
MEN-1 present (n = 14)MEN-1 absent (n = 2)MEN-1 present (n = 25)MEN-1 absent (n = 121)
Age (y)
 Mean ± SEM50 ± 3 61 ± 8 48 ± 2 56 ± 1 
 Range34–6952–7026–7519–80
No. of men8 (67)2 (100)11 (41)71 (58)
Disease duration (y)*
 Mean ± SEM17 ± 2 16 ± 3 12 ± 2 15 ± 1 
 Range 8–3113–19 2–29 1–42
Time from disease onset to gastric carcinoid (y)
 Mean ± SEM11 ± 1 10 ± 1 NANA
 Range 6–17 9–12
Endoscopic findings in patients with a carcinoid
 Gastric nodule present9 (64)1 (50)NANA
 Gastric nodule absent3 (21)1 (50)NANA
Positive gastric SRS localization12 (86)0 (0)4 (16)3 (2)
 Diffuse pattern8 (57)0 (0)3 (12)3 (2)
 Diffuse and focal pattern4 (29)0 (0)0 (0)0 (0)
Negative gastric SRS localization2 (14)2 (100)21 (84)118 (98)
Fasting gastrin level (pg/mL)
 Mean ± SEM23,900 ± 11,00019,460 ± 18,5001,000 ± 430 5,200 ± 3,200
 Range   190–123,000  920–38,000   57–10,000    21–380,000
Associated endocrine tumors present (besides gastrinomas)
 Parathyroid only6 (50)NA13 (50)NA
 Pituitary only0 (0)NA1 (4)NA
 Parathyroid and pituitary3 (25)NA9 (35)NA
 Parathyroid and thymic carcinoid2 (17)NA1 (4)NA
 Parathyroid, pituitary, and bronchial carcinoid1 (8)NA3 (12)NA
  • * Disease duration was time from onset of disease to time of this study.

  • Time from ZES onset to diagnosis of gastric carcinoid was calculated from time of disease onset until diagnosis of gastric carcinoid was first made histologically.

  • Gastric nodule present or absent refers to endoscopic findings in stomach at time diagnosis of gastric carcinoid tumor was made histologically.

  • NA = not applicable.

  • Values in parentheses are percentages.