<prompt> Common mode of transmission in pyogenic TB salpingitis:HematogenousAscending infectionDirect invasionSexually transmitted  <response>: Genital tuberculosis occurs almost always secondary to a primary focus elsewhere, The commonest site being the lungs 50, but rarely from other sites such as lymph nodes 40, the kidneys, joints, gastrointestinal tract or as pa of a generalized miliary infection. The mode of spread is generally haematogenous or lymphatics, and rarely from direct contiguity with an intra-abdominal organ or affected peritoneum. 