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Fig. 1 | BMC Medical Imaging

Fig. 1

From: Bronchus sign on thin-section computed tomography is a powerful predictive factor for successful transbronchial biopsy using endobronchial ultrasound with a guide sheath for small peripheral lung lesions: a retrospective observational study

Fig. 1

CT bronchus sign. According to TSCT (0.5-mm reconstruction), we categorized the CT bronchus sign in each case into three types a to c according to the relationship between the nearest bronchus and the target lesion. In type A, the responsible bronchus clearly reached the inside of the target lesion. In type C, no bronchus could be detected in relation to the lesion. When the CT findings could be categorized into neither type A nor C, the CT bronchus sign was categorized as type B

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BMC Medical Imaging

ISSN: 1471-2342

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