Interventional radiology is a series of technologies that use catheters, guidewires and other equipment to diagnose and treat various diseases under the guidance of medical imaging equipment, based on imaging diagnosis and clinical diagnosis, combined with the principles of clinical therapy. That is, under the guidance of medical imaging (X-ray, ultrasound, CT, MRI), special catheters or instruments are inserted into the lesion through percutaneous puncture or through the original channels of the human body for diagnostic imaging and treatment. Or tissue collection for cytology, bacteriology and biochemical examinations. For patients with a history of chronic liver disease or cirrhosis, if liver cancer is confirmed and the lesions are confined to the liver, regardless of the size and number of the tumors, radiological intervention is necessary. This is because radiological intervention can detect all lesions in the liver through angiography; local perfusion chemotherapy can make the liver tumor much stronger than systemic chemotherapy; iodized oil embolization can block the blood supply of the tumor and cut off the nutrition supply of the tumor, which can control the disease at least in a short period of time. However, how long the effect of iodized oil embolization can last depends on the patient's age and liver condition. If the patient is young, the blood vessels are easy to be revascularized, that is, new blood vessels grow, forming collateral circulation, taking away the iodized oil, and the embolism effect disappears. If there is no cirrhosis of the liver and young people have strong regenerative ability, new blood vessels will form in about 20 days. In short, radiological interventional therapy is more effective for liver cancer patients over 40 years old with cirrhosis. |
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