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The Egyptian Journal of Bronchology
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Endoscopic transbronchial needle aspiration in sampling mediastinal lesions

Egyptian Journal of Bronchology volume 13, pages 314–322 (2019)Cite this article

Abstract

Context

Endoscopy plays an integral part in the evaluation of mediastinum. Transbronchial sampling can be done conventionally or guided with endobronchial ultrasonography (EBUS), which is a new tool that allows seeing beyond the airway. Following its invention, the use of conventional sampling has declined.

Aims

To evaluate the efficacy of EBUS-transbronchial needle aspiration (TBNA) in sampling mediastinal lesions after conventionally negative TBNA result and to compare EBUS-TBNA sampling in subcarinal and hilar sites versus paratracheal sites regarding diagnostic yield.

Settings and design

A prospective evaluation study was done.

Patients and methods

The study enrolled 52 patients with undiagnosed mediastinal lymphadenopathy or lesions. Subcarinal lesions were sampled by both conventional TBNA and EBUS-TBNA sampling (after negative conventional sampling results), and paratracheal lesions were sampled only with EBUS.

Statistical analysis

used Data were analyzed to test statistical significant difference between groups. Quantitative data were presented as mean±SD, and Student t test was used to compare between two groups.

Results

No complications were reported. Conventional subcarinal TBNA sampling was done in 37 cases, where sufficient sampling was seen in 67.6% of cases, was diagnostic in 16.2% and had sensitivity of 20%. EBUS-TBNA was done in 22 cases after negative conventional sampling result, and in additional 15 cases as an initial procedure during the study. EBUS diagnosed 89.2% of cases, with sensitivity of 97.1%. Diagnostic percent in EBUS targeting subcarinal/hilar sites was 81.8% whereas was 100% in paratracheal EBUS sampling.

Conclusion

Both modalities of sampling are safe. Diagnostic value of EBUS-TBNA exceeded much more than conventional sampling.

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Authors and Affiliations

  1. Department of Chest Medicine, Mansoura University, Mansoura faculty of medicine, El gomhuria street, 35516, Mansoura, Dakahlia, Egypt

    Mohammed A. Ibrahim MSC, MD Chest Medicine (Lecturer), Aida M. Yousef, Magda Abdelsalam Ahmed & Sayed A. M. Abdelhafez

  2. Department of Chest Medicine, Tanta University, Tanta, Egypt

    Mohamed S. Abdelrahman Hantera

Authors
  1. Mohammed A. Ibrahim MSC, MD Chest Medicine
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  2. Aida M. Yousef
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  3. Mohamed S. Abdelrahman Hantera
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  4. Magda Abdelsalam Ahmed
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  5. Sayed A. M. Abdelhafez
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Corresponding author

Correspondence to Mohammed A. Ibrahim MSC, MD Chest Medicine.

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Ibrahim, M.A., Yousef, A.M., Hantera, M.S.A. et al. Endoscopic transbronchial needle aspiration in sampling mediastinal lesions. Egypt J Bronchol 13, 314–322 (2019). https://doi.org/10.4103/ejb.ejb_96_18

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  • DOI: https://doi.org/10.4103/ejb.ejb_96_18

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