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癌性胸膜炎多发生于癌症的晚期,据日本九州癌症研究中心剖检350例癌症病例的统计,胸腔积液超过50ml的高达70%,以乳腺癌、胃癌和肺癌并发的机会最多。胸腔积液的原因1.血管通透性增强:(1)癌直接浸润胸膜,导致血管、淋巴管破裂,是主要原因。(2)因支气管阻塞、狭窄,产生肺炎。2.淋巴回流障碍,流体静压升高:(1)癌浸润肺门、纵隔淋巴结,回流阻塞。(2)肺、膈和胸壁的泵运动减弱。(3)心包积液和上腔静脉阻塞综合征。
Cancerous pleurisy mostly occurs in the late stages of cancer. According to statistics of 350 cancer cases examined by the Kyushu Cancer Research Center in Japan, up to 70% of the pleural effusion exceeds 50 ml, with the highest chance of breast cancer, gastric cancer, and lung cancer. Causes of pleural effusion 1. Increased vascular permeability: (1) Direct invasion of the pleura by the cancer, leading to vascular and lymphatic vessel rupture, is the main reason. (2) Pneumonia occurs due to bronchial obstruction and stenosis. 2. Lymphatic drainage disorder, increased hydrostatic pressure: (1) cancer infiltrated hilar, mediastinal lymph nodes, reflux obstruction. (2) The pump motion of the lungs, iliac crest, and chest wall weakened. (3) pericardial effusion and superior vena cava obstruction syndrome.