“…In the present study, in patients with extra-pulmonary TB, lymph nodes were the most involved organs (34.2%), in Tehran city 35.8%, in Babol city 54.87%, in Birjand city 22.6%, and in Chaharmahal Bakhtiari province 42% were reported. In studies which were performed in other countries, about 34% of the patients with extra-pulmonary TB had lymphadenitis as well [21,22,9,18,23].…”