肿瘤患者经常会出现厌食、早饱、体重下降,这是为什么?厌食、消瘦是恶性肿瘤患者重要的临床表现之一,不利于患者的预后。体重减轻的程度会随着疾病的进展而逐渐加重。肿瘤患者的消瘦主要是能量平衡的破坏,以及肿瘤状态下代谢的异常造成。肿瘤状态下,患者摄入减少,能量消耗增加,骨骼肌蛋白质及脂肪组织大量消耗,这是造成体重减轻的最主要原因。消瘦在肿瘤患者中很常见,30%~80%的肿瘤患者会有不同程度的体重减轻,约15%会出现严 Cancer patients often appear anorexia, fullness, weight loss, which is why? Anorexia, weight loss is one of the important clinical manifestations of malignant tumors, is not conducive to the prognosis of patients. The degree of weight loss will gradually increase as the disease progresses. Tumor patients with weight loss is mainly the destruction of energy balance, as well as metabolic abnormalities caused by the tumor state. Tumor status, reduced patient intake, increased energy consumption, skeletal muscle protein and fat consumption, which is the most important reason for weight loss. Weight loss is common in cancer patients, 30% to 80% of patients with cancer will have varying degrees of weight loss, about 15% will appear serious