[Increment of the incidence of glioblastoma following decrease in the incidence of brain tumors in 2000-2020: a population-based registry study].

Significant increase (>2 times) in the incidence of glioblastoma was found over the past twenty years. Probably, it is associated with improved diagnosis and registration of this disease. In-depth analysis of morbidity and survival of patients with rare neuroglial tumors is required.