Cancer has taken away countless lives and broken countless families. The reason why cancer is so terrible is that it is not only extremely difficult to cure but also easy to relapse, often causing patients to suffer both physical and mental torture. Cholangiocarcinoma is a type of cancer, so what harm does cholangiocarcinoma bring to patients? Cholangiocarcinoma is a highly malignant tumor. In today's society, the number of patients with cholangiocarcinoma is less than that of patients with liver cancer and lung cancer. However, compared with other tumor patients, it is still quite a lot. Moreover, the harm of cholangiocarcinoma is very great. The most common symptom of late-stage cholangiocarcinoma is metastasis, which is a dynamic and continuous process. First, tumor cells invade and break through tissue barriers to enter blood vessels and lymphatic vessels to form cell emboli, which then fall off and run in the blood or lymphatic vessels. Then, they adhere to the endothelial cells of the microcirculation of distant organs, stay there, and pass through the microcirculation, multiply in the parenchyma of new tissues and organs, and grow into new metastatic tumors. In addition, during the metastasis of bile duct cancer, cancer cells can also fall directly into the body cavity. Implantation on the serosal surface forms implanted metastatic tumors. Biliary duct cancer metastasis mainly passes through lymphatic vessels, blood vessels and body cavities. Blood vessels mainly pass through veins, rarely through arteries first. Symptoms of late-stage bile duct cancer show that metastasis often starts from the lymphatic tract. 1. Hematogenous metastasis: Hematogenous metastasis is mainly classified into systemic vein type, pulmonary vein type, portal vein type, pyramidal vein type and countercurrent type. 2. Implantation metastasis: Tumor cells diffusely grow in cavities, such as the thoracic cavity, abdominal cavity, pericardial cavity, etc. Surgery and puncture procedures can also cause implantation metastasis. 3. Lymphatic metastasis: Lymphatic metastasis mostly follows the pattern of lymphatic trunks, namely the left and right head and neck trunks, the left and right subclavian trunks, the left and right bronchomediastinal trunks, the left and right lumbar trunks and the intestinal trunks. The above are the common hazards of bile duct cancer. I believe that now everyone has a better understanding of the hazards of bile duct cancer. So, after reading the above article, should you pay more attention to bile duct cancer? In life, if you have symptoms of bile duct cancer, you should go to the hospital for examination in time to avoid delaying the best treatment time for bile duct cancer. |
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