Regional Clinical Research

IgG4-related lesion of the retroperitoneum, ureter, and kidney, mimicking infiltrating endometriosis

Urinary tract endometriosis is rare, and ureteral involvement is particularly insidious due to its asymptomatic nature. The absence of symptoms can lead to ureteral stricture, hydronephrosis, chronic kidney disease up to end-stage renal failure, and irreversible loss of kidney fu...

Prevalence of diabetes mellitus and obesity in the Russian Federation accoding to the population survey

Despite the widespread belief that diabetes mellitus (DM) and obesity are prevalent conditions, the available statistics in the Russian Federation lack data on the co-occurrence of multiple diseases, and clinical studies, along with registries, do not comprise representative samp...