Endocrine Abstracts

Serum gastrin (G) levels >1000 pg usually raise the suspicion for a neuroendocrine tumor (NET) secreting G. Rarely, such elevated G levels are seen in pts with pernicious anemia (PA) which most commonly is associated with autoimmune gastritis (AG) (1). AG can occur concomitantly with other autoimmune d/o incl. lymphocytic colitis (LC) (2). G stimulates enterochromaffin-like cells which increase histamine (H) secretion. H excess can cause diarrhea (D) as can bacterial overg...