Chapter 993 [993] Lecture Topic

"Today there are a total of eighteen lectures and two academic reports, which is a little less than tomorrow. It will end at six o'clock in the afternoon, and the noon break will be about two hours."

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

"Don't you have confidence in the surgeons 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."

"Would you like to watch the demonstration surgery?"

"Look. But it depends on who performed the operation and what operation."

Listening to these people's discussions, it is almost the same as the estimated situation discussed in their departments. Xie Wanying thought.

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

"This is the lecture that starts at 8:30, and the topic is PTCD Intrabiliary Radiation Therapy."

Biliary stents are placed after percutaneous transhepatic biliary drainage, mainly used in pancreatic head cancer, cholangiocarcinoma, and ampullary cancer, which are difficult to detect in the early stage, and once discovered, they will be middle and advanced cancer patients. These patients also have a characteristic, high Collar, with poor cardiopulmonary function, unable to tolerate radical surgery, can only do palliative treatment.

This treatment method only relieves the malignant obstruction of the biliary tract in the late stage of cancer. However, the stent itself cannot inhibit the growth of the tumor, 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 192lr wire through the catheter for brachytherapy in the bile duct, which was pioneered abroad 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 body cavity. The first cancer that was widely used in the human body was cervical cancer, and then expanded to bile duct cancer, tongue cancer, etc. In the application of cervical cancer, it can be used as one of the treatment methods to shrink the tumor before operation. In hepatobiliary surgery, it is only used as a late palliative treatment.

Palliative care is equivalent to treatment measures that basically do not have any long-term hope for the survival of patients. Statistical data from various academic papers show that the survival period of patients with malignant biliary obstruction is generally only two months. If PTCD plus 192lr brachytherapy is used, the longest survival period of patients can be extended to more than two years. The details will depend on tumor size. For terminal cancer patients, if they can live one more day, it is still meaningful.

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

The multi-media conference rooms reserved by the hotel are basically remodeled from small halls and small rooms. The area is not large, and some of them only have a hundred seats after entering. Entering the conference room, the seats in the front row are more than full. Xie Wanying found a seat in the back row and sat down.

Just next to the chair, two people came in at the door, one of them spotted her figure and turned around to walk towards her.

"Is it Xie Wanying?"

Hearing someone calling her name, Xie Wanying raised her head. The male doctor standing in front of her was a tall man with a briefcase on his shoulder. She felt a little familiar face.

"Don't remember me? I remember you very much. You and the other two went to our Xuanwu Hospital for emergency treatment that night. After Dr. Cao picked you up, what happened to you?"