Videobronchoscopy is an essential diagnostic procedure for evaluation of the central airways and pivotal for the diagnosis and staging of lung cancer. Further technological improvements have resulted in high definition (HD+) images and advanced image enhancement technique (i-scan). An earlier study (NCT01676012) has indicated that HD+ bronchoscopy in combination with i-scan technology is superior to HD+WL (white light) for detecting endobronchial vascular changes. In this study we aim to correlate these vascular changes to histology and hypothesize that these vascular changes are related to (pre-) malignant changes and that the addition of i-scan is superior to HD+ WL.
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positive predictive value of HD+ i-scan bronchoscopy for detecting (pre-) malignant lesions
Timeframe: 7 days