Improvement of cellularity on cell block preparations using the so‐called tissue coagulum clot method during endobronchial ultrasound‐guided transbronchial fine‐needle aspiration

Cell block (CB) preparation during the endobronchial ultrasound‐guided transbronchial fine‐needle aspiration (EBUS‐TBNA) procedure plays an important role in the diagnosis of lung cancer and recovery of cellular material for molecular characterization of the tumor. However, the efficiency of the conventional method of CB preparation is suboptimal.

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