Usefulness of rapid onsite cytological evaluation using Cyto Quick staining in endobronchial ultrasound-guided transbronchial needle aspiration cytology

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  • 超音波気管支鏡ガイド下針生検施行時のサイトクイック染色を用いたオンサイト迅速細胞診の有用性

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Abstract

<p>Objective : We examined the usefulness of rapid on-site cytological evaluation (ROSE) using Cyto Quick (CQ) staining in endobronchial ultrasound-guided transbronchial needle aspiration (EBUS-TBNA) cytology performed at Osaka Habikino Medical Center.</p><p>Study Design : We evaluated 89 patients who underwent ROSE of EBUS-TBNA samples at our Department of Pathology between April 2018 and July 2019. The concordance rate of the results of CQ staining with the results of Papanicolaou (Pap) staining and also with the results of histopathology of concurrently obtained tissue specimens was determined.</p><p>Results : The concordance rate between the results of CQ staining and Pap staining was 94.3%. In addition, in the 64 patients who were labeled as positive by CQ staining, the concordance rate with the results of histopathology of concurrently obtained tissue specimens was 89.1%.</p><p>Conclusion : CQ staining was easy to perform and could be performed within a short time, and the concordance rates with the results of Pap staining and histopathological examination were also good. CQ staining is a useful staining method for ROSE.</p>

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