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ORIGINAL ARTICLE
Year : 2015  |  Volume : 4  |  Issue : 2  |  Page : 115-119

Comparison of cytologic accuracy of endobronchial ultrasound transbronchial needle aspiration using needle suction versus no suction


1 Department of Medicine, Interventional Pulmonology Section, Roswell Park Cancer Institute, Buffalo; Department of Medicine, Staten Island University Hospital, Staten Island, NY, USA
2 Department of Medicine, Staten Island University Hospital, Staten Island, NY, USA
3 Department of Biostatistics and Bioinformatics, Roswell Park Cancer Institute, Buffalo, USA

Correspondence Address:
Kassem Harris
Department of Medicine, Staten Island University Hospital, Staten Island, NY 10305
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2303-9027.156737

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Background and Objectives: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is a relatively new procedure initially used for lung cancer diagnosis, staging and re-staging and extended to benign diseases such as sarcoidosis and other mediastinal lesions. Previously, multiple studies evaluated the use of needle biopsy with no aspiration that did not change the diagnostic accuracy compared with needle biopsy aspiration. Materials and Methods : All adult subjects who were scheduled to undergo EBUS-TBNA to sample mediastinal lesions were eligible. We evaluated two methods of sampling mediastinal lesions. The first method was the application of negative pressure syringe for needle suction aspiration. The second was with no suction. For every patient and every biopsy site in the same patient, we had two samples using each method. Results : Among the 26 participants, 24 patients had adequate tissue using both methods (92.3%, P = 1.00). Among the 24 patients with adequate tissue using both methods, 14 patients (58.3%) had benign pathology using both methods, whereas ten patients (41.7%) had malignant pathology using both methods (P = 1.00). Among the 32 sites that were sampled, 30 sites had adequate tissue using both methods (93.8%, P = 1.00). Among the thirty sites with adequate tissue using both methods, 17 (56.7%) had benign pathology using both methods; 12 (40.0%) had malignant pathology using both methods; and one site (3.3%) had malignant pathology using suction, but benign pathology using no suction (P = 1.00). Conclusion : In patients undergoing EBUS-TBNA to sample mediastinal lesions, the diagnostic yield with the application of suction to needle biopsy was not statistically significant compared to no suction.


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