吸收不良综合征的病因繁多,临床上有多种病因分类法,本文根据发病机理分类如下: 一、小肠粘膜病变各种营养物质的吸收主要在小肠进行,故小肠粘膜病变是造成吸收不良的重要原因。 1.小肠粘膜细胞有某种先天性缺陷与异常 (1)热带口炎性腹泻(tropic sprue):多流行于热带,其病因尚未完全明确,可能与小肠粘膜萎缩和 Poor malabsorption syndrome causes many clinical classification of etiology, this paper classified according to the pathogenesis is as follows: First, the small intestinal mucosal lesions The absorption of various nutrients mainly in the small intestine, so small intestinal mucosal lesions are caused by malabsorption the reason. 1. Small intestinal mucosal cells have some congenital defects and abnormalities (1) tropical stomatitis (tropic sprue): more popular in the tropics, the etiology has not yet completely clear, and intestinal mucosa may be atrophy and