Σφακιανάκης Αλέξανδρος
ΩτοΡινοΛαρυγγολόγος
Αναπαύσεως 5 Άγιος Νικόλαος
Κρήτη 72100
00302841026182
00306932607174
alsfakia@gmail.com

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! # Ola via Alexandros G.Sfakianakis on Inoreader

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Τετάρτη 4 Ιανουαρίου 2017

Diagnostic value of core biopsy histology and cytology sampling of mediastinal lymph nodes using 21-gauge EBUS-TBNA needle

Preyas J Vaidya, Avinandan Saha, Arvind H Kate, Kamlesh Pandey, Vinod B Chavhan, Joerg D Leuppi, Prashant N Chhajed

Journal of Cancer Research and Therapeutics 2016 12(3):1172-1177

Introduction: Endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) is the initial modality of choice in sampling mediastinal lymphadenopathy. It is possible to obtain both cytological and histological samples using both 21-gauge and 22-gauge EBUS-TBNA needles. The current study was undertaken to compare the diagnostic yield of cytology and histology samples obtained by the same EBUS-TBNA 21-gauge needle. Patients and Methods: One hundred sixty-six consecutive patients who underwent EBUS-TBNA with a 21-gauge EBUS-TBNA needle over a period of 3 years were included in this retrospective analysis. The diagnostic yields of EBUS-TBNA histology (EBUS-TBNA-H) and EBUS-TBNA cytology (EBUS-TBNA-C) specimens were compared using the McNemar test. Results: The overall sensitivity and specificity of EBUS-TBNA were 89% and 100%, respectively. The positive predictive value (PPV) and negative predictive value (NPV) of EBUS-TBNA were 100% and 53%, respectively. The overall sensitivity and specificity of EBUS-TBNA-H were 85% and 100%, respectively. The PPV and NPV of EBUS-TBNA-H were 100% and 43%, respectively. The overall sensitivity and specificity of EBUS-TBNA-C were 65% and 100%, respectively. The PPV and NPV of EBUS-TBNA-C were 100% and 14%, respectively. The diagnostic yield of EBUS-TBNA-H over EBUS-TBNA-C was statistically significant (P < 0.0001). Conclusion: EBUS-TBNA-H with 21-gauge needle significantly improves the diagnostic yield of EBUS-TBNA. EBUS-TBNA-H improves the NPV of EBUS-TBNA. The combination of EBUS-TBNA-H and EBUS-TBNA-C improves the overall diagnostic yield of EBUS-TBNA.

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