METHOD OF REDUCING RADIATION EXPOSURE TO RECTUM IN TREATMENT OF PROSTATE CANCER Russian patent published in 2023 - IPC A61N7/00 A61K38/39 A61P1/04 

FIELD: medicine; oncology.

SUBSTANCE: invention can be used to reduce radiation exposure to the rectum in the treatment of prostate cancer (PCa). The method includes the introduction of biodegradable substances (BDS) into fatty tissue located between the wall of the rectum and the prostate gland. Spherogel with a particle diameter of 200–360 μm is used as a BDS, which is injected in a volume of 10 ml before the start of the irradiation procedure under the control of transrectal ultrasound transperineally.

EFFECT: use of the invention makes it possible to increase the distance from the anterior wall of the rectum to the prostate up to 10 mm or more, to reduce the radiation load on the anterior wall of the rectum by 40–60%.

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