The team of clinical experts from Zhejiang University applied PET technology to the diagnosis of epilepsy, and increased the detection rate of non-surgical epilepsy in children from 15% to 39% to 79%. The three papers based on the results have been published in the top journals of the International Nuclear Medicine and Molecular Imaging Society, the Journal of the American Society of Nuclear Medicine and Molecular Imaging, and the Journal of the European Union of Nuclear Medicine. PET, positron emission tomography, is a molecular imaging technique. By observing the traces of small molecules injected into the human body, PET technology can clearly reveal the changes in the biochemistry of cells in the body, helping doctors to understand the lesions in essence. “The most common use of PET technology in China is to help diagnose cancer. In fact, it is also useful in the diagnosis and treatment of neurological diseases such as epilepsy and Alzheimer's disease.†Department of Nuclear Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine Professor Tian Mei of the PET Center said that epileptic seizures originate from abnormal discharges in a certain brain area of ​​the brain, but how to find the lesions has been a problem. The use of EEG, nuclear magnetic resonance and other means to find epilepsy lesions has a lot of limitations. For example, when the patient does not have an episode, abnormal epileptic brain waves are generally not seen on the EEG. Nuclear magnetic resonance relies on the external morphological changes of human tissues to judge the lesions, but in many cases the patient's brain tissue structure has not undergone significant deformation, and it is difficult for doctors to make judgments. "If CT and nuclear magnetic imaging can only obtain a common plane map for epilepsy diagnosis, the PET scan will be a three-dimensional satellite cloud image reflecting the change of energy." Tian Mei said, where there will be rain and lightning, see ordinary The map is invisible, and the satellite cloud map provides a solid foundation for experts to make judgments. Once an abnormality is found on the "satellite cloud map", the lesion can be found by nuclear magnetic localization. The Zhejiang University team fully utilized the advantages of PET technology, combined with nuclear magnetic resonance, EEG and other technologies, and introduced advanced computer software to compare patient images and normal images, greatly improving the ability to detect epileptic foci. Many patients have been hiding for many years. The lesions deep in the brain were smashed out. (Correspondent Zeng Fuquan Ke Yieneng reporter Song Lisheng) Source: Health News
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:2018-07-31