ENDOBRONCHIAL ULTRASONOGRAPHY GUIDED TRANSBRONCHIAL NEEDLE ASPIRATION IN MEDIASTINAL AND HILAR MASSES

Introduction- Endobronchial ultrasound guided transbronchial needle aspiration (EBUS-TBNA) is a minimally invasive technique with a high diagnostic yield for the evaluation of mediastinal and hilar lymph node and masses via ne needle aspiration under direct sonographic visualisation. It has the potential to overcome the limitations encountered by various techniques of sampling the mediastinal and hilar lesions having an important modality in the eld of interventional pulmonology which is safe and accurate. Even though EBUS-TBNA was shown to have high diagnostic yield decades ago, this intervention is still new in many of the tertiary centres of our country. To determine the Objectivesdiagnostic yield of endobronchial ultrasound guided transbronchial needle aspiration in mediastinal and hilar lymphadenopathy and masses and also to assess the prole of different mediastinal and hilar lesions diagnosed by endobronchial ultrasound guided transbronchial needle aspiration. Methodology- This was a cross sectional study performed on 42 cases with radiological evidence of mediastinal and hilar lymphadenopathy and masses who attended Respiratory Medicine, Out Patient Department (OPD), Regional Institute of Medical Sciences (RIMS), Imphal, Manipur from September 2020 to August 2022. This study determined the diagnostic yield of EBUS-T Results- BNA to be 85.7% and among the malignant lesions diagnosed, adenocarcinoma was the most common histopathological type while granulomatous lesions of both caseating and noncaseating type were found to be the most common benign lesions. In the present s Conclusion- tudy, EBUS-TBNA was found to be a safe novel intervention which should be regarded as the rst choice in the diagnostic work up of mediastinal and hilar lesions considering its diagnostic yield without signicant complication.