A prospective study to evaluate the utility of bronchoalveolar lavage by fiberoptic bronchoscopy in sputum smear negative patients with high suspicion of pulmonary tuberculosis
Aim: To evaluate the utility of bronchoalveolar lavage (BAL) by flexible fiberoptic bronchoscopy (FOB) in sputum smear negative patients with clinical and radiological characteristics of pulmonary tuberculosis (PTB).Materials and Methods: This prospective study was carried out in 30 sputum smear negative patients of age group 20 to 70 years, who we