Most common route of infection in kidney tuberculosis
Genitourinary tuberculosis (GUTB) accounts for 14% of non-pulmonary cases of TB. It is caused by dissemination of the organism through the bloodstream and is thus always secondary TB. ref : Bailey and Love 27th ed , chapter 76 , pg no 1405
Ascending infection
Lymphatic spread
Direct invasion
Hematogenous spread
Urology