恶性肿瘤并发周围神经损害并不少见。一般按发生机制分为3组:第1组为恶性肿瘤原发灶或转移灶直接压迫、浸润,破坏周围神经所引起者;第2组为非肿瘤直接侵犯的远隔性周围神经损害,多见于癌症患者,故称癌性神经病。可能为癌毒素或继发性代谢、循环障碍,维生素缺乏等营养障碍及免疫反应等多种 It is not uncommon for malignant tumors to have peripheral nerve damage. General mechanism of occurrence is divided into three groups: the first group of malignant primary tumor or metastasis direct compression, infiltration, damage caused by peripheral nerves; the second group of non-tumor direct violations of the peripheral nerve damage, and more Found in cancer patients, so called cancerous neuropathy. May be cancer toxins or secondary metabolism, circulatory disorders, vitamin deficiencies and other nutritional disorders and immune response and other