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. 2021 Jan 13;8(1):e000826. doi: 10.1136/bmjresp-2020-000826

Figure 1.

Figure 1

Radiographic guidance for selection of transbronchial lung cryobiopsy (TBLC) site. (A) The radial endobronchial ultrasonography (R-EBUS) probe was inserted into the bronchus selected for TBLC until the pleural surface was reached; thereafter, the R-EBUS probe was slowly withdrawn from the pleura to the hilum while confirming lesion locations using X-ray imaging and evaluating the characteristics of R-EBUS signals. (B) After the R-EBUS probe was withdrawn, the cryoprobe was inserted into the same bronchus and withdrawn from the pleural surface at least 1–2 cm proximally. The biopsy site was determined with or without R-EBUS signals, with radiographic guidance.