Pediatrician (St. Petersburg)Pediatrician (St. Petersburg)2079-78502587-6252Eco-Vector10838810.17816/PED13169-81Research ArticleEndoscopic endonasal surgery for intracranial rhinogenic complications. Analysis of two clinical casesVerezgovVyacheslav A.<p>MD, PhD, otorhinolaryngologist</p>verezgov@gmail.comBreusenkoDmitry V.<p>MD, PhD, Head of the Department of Otorhinolaryngology</p>lor-gpma@mail.ruPavlovPavel V.<p>MD, PhD, Dr. Med. Sci., Associate Professor, Head of the Department of Otorhinolaryngology</p>pvpavlov@mail.ruhttps://orcid.org/0000-0002-4626-201XZakharovaMaria L.<p>MD, PhD, Dr. Med. Sci., Associate Professor of the Department of Otorhinolaryngology</p>dr.essina@mail.ruhttps://orcid.org/0000-0001-6410-3533SnytkinaAlexandra S.<p>PhD, clinical intern at the Department of Otorhinolaryngology</p>snytkina.aleksandra@mail.ruhttps://orcid.org/0000-0002-2282-8584GorkinaOksana K.<p>PhD, Assistant of Professor of the Department of Otorhinolaryngology</p>gorkina-ok@yandex.ruhttps://orcid.org/0000-0002-2527-9023DmitrenkoValery V.<p>otorhinolaryngologist</p>dmitrenko1411@mail.ruhttps://orcid.org/0000-0003-2766-6577KuryanovaYulia A.<p>otorhinolaryngologist</p>Julia_ku@mail.ruhttps://orcid.org/0000-0003-3843-0201KukushkinaOlga E.<p>otorhinolaryngologist</p>o.lka@mail.ruhttps://orcid.org/0000-0001-5351-3764St. Petersburg State Pediatric Medical University3105202213169813005202230052022Copyright © 2022, Verezgov V.A., Breusenko D.V., Pavlov P.V., Zakharova M.L., Snytkina A.S., Gorkina O.K., Dmitrenko V.V., Kuryanova Y.A., Kukushkina O.E.2022<p>Rhinogenic intracranial complications, such as brain abscess and thrombosis of the veins and sinuses of the brain, are still a formidable, life-threatening pathology, often resulting in death, despite the widespread development of antibiotic therapy and adherence of patients to the treatment. Often the cause of the development of intracranial complications is the exacerbation of a chronic inflammatory process in the paranasal sinuses, while acute ENT pathology of the sinuses leads to the development of rhinogenic complications only in a small percentage of cases. Unfortunately, the high development of radiation and laboratory diagnostics does not always allow diagnosing these conditions in time and providing adequate surgical care. In childhood and adolescence, it is important to perform a timely complete and at the same time minimally invasive, non-disabling, surgical intervention. An analysis of foreign literature in recent years shows that neurosurgical operations in various volumes (from trepanopuncture of the brain to craniotomy) occur in the vast majority of cases of treatment of rhinogenic intracranial complications. 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