Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector7650710.17816/kazmj76507Research ArticlePurulent diseases of costal cartilage due to infectious diseasesSokolovN. V.info@eco-vector.com150519242043673782407202124072021Copyright © 2021, Sokolov N.V.2021<p>The epidemic of typhus and relapsing fever that swept across Russia over the past three years, hunger and the associated malnutrition have brought to a prominent place in surgical practice a still rare and poorly developed disease - perichondritis and purulent chondritis.</p>Kazan Medical archiveКазанский медицинский архив