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   "If there is a surgical demonstration in the special lecture, it is estimated that it will take time, and you may not be able to finish lunch after lunch."

   "Don\'t you have confidence in the surgeons here in the capital?"

   "The operation time of hepatobiliary surgery is relatively long. If they start the operation in the hospital earlier, we will not be able to see it in time."

   "If there is a demonstration operation, can you watch it?"

   "Look. But it depends on who did the surgery and what kind of surgery."

   Listening to these people\'s discussions is similar to the estimates discussed in their departments. Xie Wanying thought.

   "I know Professor Hao from Juyang Hospital." A colleague suddenly pointed out one of the lectures.

   "This is a lecture starting at 8:30, the theme is PTCD intrabiliary radiotherapy."

After percutaneous transhepatic biliary drainage, bile duct stents are placed. It is mainly used in pancreatic head cancer, cholangiocarcinoma, ampullary cancer and other types of cancer patients who are difficult to detect in the early stage. Once found, they are in the middle and late stages of cancer. Collar, poor cardiopulmonary function, can not tolerate radical surgery, can only do palliative treatment.

This treatment method only relieves malignant biliary tract obstruction caused by advanced cancer. However, the stent itself cannot inhibit tumor growth, and will continue to grow along the drainage stent to cause obstruction again. In order to keep the drainage unobstructed, doctors have thought of many ways to avoid stent obstruction. , one of which is the first transcatheter 192lr wire for brachytherapy in the bile duct in the 1980s.

  192lr is the radioactive source iridium-192, and Ir is the nuclide symbol. It is a relatively mature technology for various brachytherapy in the human cavity. The first cancer that is widely used in the human body is cervical cancer, and then it is extended to cholangiocarcinoma and tongue cancer. In the application of cervical cancer, it can be used as one of the treatment methods to shrink the tumor before surgery. In hepatobiliary surgery, it is only used as an advanced palliative treatment.

  Palliative care is equivalent to a treatment measure that basically has no long-term expectations for the survival of patients. The statistical data of various academic papers show that the survival time of patients with malignant biliary obstruction is generally only two months. If PTCD and 192lr brachytherapy are used, the survival time of patients can be extended to more than two years. tumor size. For advanced cancer patients to live an extra day, it makes sense.

   The doctors discussed earlier decided to listen to Professor Hao\'s lecture on PTCD intrabiliary radiotherapy first. Xie Wanying followed, mainly because she saw a lot of people who went to the lecture. It can be seen that everyone\'s tendency is basically the same.

   The multimedia conference rooms in the hotel\'s private room are basically transformed from small halls and small rooms. The area is not large, and some only have a hundred or so seats after entering. Entering the conference room, the front row seats are found to be full. Xie Wanying found a seat in the back row and sat down.

   was just next to the chair, two people came in at the door, one of them noticed her figure and turned and walked towards her.

   "Isn\'t it Xie Wanying?"

   Hearing someone calling her name, Xie Wanying raised her head. The male doctor standing in front of her was tall and had a briefcase on his shoulders, and her face seemed to make her feel a little familiar.

   "Don\'t remember me? I remember you very much. You and the other two went to the emergency room of our Xuanwu Hospital that night. After Dr. Cao took you back, what happened to you?"

   (end of this chapter)