Contribution of Kazan scientists and doctors to the theory and practice of Russian phthisiology

On the basis of Kazan University and its medical faculty, opened in 1814, important scientific researches were carried out, the results of which were included in the golden fund of medical science. In 1835-1836 G. I. Sokolsky, the founder of the national phthisiology, had read a course on private pathology and therapy to the students. In 1836 he published a manual "Teaching on difficult diseases". Anticipating the foundations of the modern clinical classification of tuberculosis, G.I. Sokolsky distinguished between disseminated, infiltrative and cavernous forms of pulmonary tuberculosis, described the pathanatomy of tuberculosis tubercle and caverns, the phenomenon of pleural rubbing noise and noise of falling drops.