Gastrointestinal Involvement in Systemic Diseases: Part Ⅱ / 胃肠病学

ABSTRACT

The main functions of gastrointestinal tract are intake, transport and digestion of food, absorption of nutrients and excretion of wastes. The structure and function of gastrointestinal tract can be influenced directly or indirectly by diseases originated from other systems such as endocrine system, nervous system, and other organs including kidney, heart, and lung etc. When approaching patients with gastrointestinal symptoms, besides gastrointestinal diseases, other organ and systemic diseases should also be considered. This article reviewed the gastrointestinal manifestations of diseases originated from endocrine system, nervous system, urinary system, respiratory system, circulation system, and some special diseases including critical illness and infiltrative diseases for improving the understanding of gastrointestinal involvement in systemic diseases.