Release date: 2016-01-05
Recently, the China Anti-Cancer Association Cancer Nuclear Medicine Professional Committee was established in Tianjin. Professor Xu Wengui, the director of the professional committee and director of the molecular imaging and nuclear medicine clinic of Tianjin Cancer Hospital, told the reporter that most of the malignant tumors had no obvious symptoms in the early stage, and they were often discovered in the late stage, missing the best treatment opportunity. Nowadays, through nuclear medicine imaging technology, it is possible to accurately detect early tumors that are still in the bud as the "radar", and the diagnostic accuracy is over 90%.
According to reports, nuclear medicine is a medical discipline that uses radiation emitted by radionuclides for disease diagnosis, treatment and research. It mainly includes organ function measurement, molecular imaging diagnosis and radionuclide therapy. Among them, the application of molecular imaging diagnosis covers various organs of the whole body, and can be used for examination of diseases such as tumor, cardiovascular, nerve, respiratory, digestive, bone, endocrine, hematopoietic, genitourinary system, early diagnosis from organ function and metabolism level. Accurate evaluation of disease has a high application value in clinical practice.
Taking the most representative PET-CT examination in nuclear medicine molecular imaging diagnosis as an example, by injecting a very small amount of "tumor probe" into the human body, multi-dimensional images show various organs of the human body under special in vitro detection instruments. It directly shows the physiological metabolism and anatomy of the whole body. It can complete the tumor marker examination of the whole body with only one imaging. Even the early tumors as small as 3mm have no shape.
"X-ray, CT and other examinations show anatomical images, and the structure and morphology of the tissue lesions are seen. Therefore, most of them should be discovered when the tumor develops to a certain size of the mass. But because the cancer cells have growth Fast metabolism, strong metabolism, strong proliferation, etc. As early as the cancer cells have not formed obvious masses in the human body, their metabolic levels will be significantly higher than normal cells. Nuclear medicine imaging can track metabolic abnormalities earlier. Found a tumor." Professor Xu Wengui introduced that PET-CT is like a whole body detection "radar", which can be discovered in time when the tumor is still in its infancy.
The reporter learned that with the continuous development and advancement of nuclear medicine technology, the role of nuclides has been paid more and more attention and recognition in the industry, especially in the treatment of thyroid diseases, which can be used as a powerful supplement for thyroid cancer surgery. The remaining diseased tissue after surgery. Professor Xu Wengui introduced that the trilogy of surgical treatment + radionuclide 131 adjuvant therapy + thyroid stimulating hormone (TSH) inhibition has made the recurrence rate of early thyroid cancer as low as 1%-2%, treating differentiated thyroid gland. The effective rate of cancer can reach more than 80%. As long as standardized treatment is used, it usually does not recur for at least 30 years.
Source: Bohai Daily
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