A patient who underwent extensive bowel resection is on total parenteral nutrition (TPN) for 1 month. Endoscopy done after one month reveals diffuse gastric mucosal atrophy. Which enzyme deficiencies are most likely responsible for gastric mucosal atrophy in this patient?: (A) Gastrin and ghrelin, (B) Secretin and CCK, (C) Gastrin and CCK, (D) Gastrin and secretin
Answer is C. Ans. (c) Gastrin and CCK(Ref: Yamada's Textbook of Gastroenterology,5th ed p.284)Gastrin and CCK deficiencies can cause Gastric mucosal atrophy