Rejuvenating reagents-Germany has developed a new imaging system that is expected to wipe out cancer

The development of a new imaging system in Germany is expected to wipe out all cancers. If malignant tumors can be removed, cancer patients have the possibility of recovery. However, some tumors are small in size and are connected to healthy tissues, which is difficult to identify with the naked eye. They often become "missing fish" and recur at the first opportunity. German researchers have introduced a new type of imaging system that is expected to "smash all the tiny malignant tumors", greatly improving the chances of cancer patients recovering. The Fraunhofer Institute for Manufacturing Technology and Automation in Germany recently released a press release saying that the multi-spectral fluorescence imaging system they developed can be connected to various medical equipment such as surgical microscopes and endoscopes. Its working principle is to inject a special fluorescent stain into the patient's blood before the operation, and the fluorescent molecules will selectively attach to the malignant tumor tissue, and illuminate the corresponding area with a special light wave, the fluorescent molecules will emit light. Due to the different colors of fluorescent stains, malignant tumor tissues will show green, blue, red or other colors. The novelty of this imaging system is that multiple fluorescent stains can be used and images can be displayed simultaneously. Scientist Nicholas Dimitriadis, who participated in the study, said that the visibility of staining is largely dependent on a set of fluorescent filters of the system, even if the fluorescence brightness is not high, this set of filters The microscope can also distinguish the fluorescence on the tumor from the ordinary fluorescence light wave, thereby distinguishing the cancerous tissue from the surrounding normal tissue. During the operation, the software of the imaging system can analyze and process the image formed by fluorescence in a few seconds, and simultaneously project the image onto the monitor. Some tumor residues that are only a few millimeters in size and are easily overlooked by the doctor's naked eye, or the metastasis of cancer cells can be displayed. This fluorescent imaging system can also be used in combination with other stains. For example, 5-aminolevulinic acid is a stain that makes glioblastoma (a type of brain tumor) "visible". The researchers said that 5-aminolevulinic acid can stain tumors in red, and the fluorescence imaging system can also detect this staining effect. The researchers will exhibit the model of the new system at the International Medical Device Exhibition in Dusseldorf, Germany, from November 20 to 23, and the human body will be tested clinically as soon as next year.

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