• Qing Zhang, An-Na Su, Na Liu, Xiao-Han Wang, Chang Liu, and Qin-Yao Zhang.
• Endoscopy Center, The 10th People's Hospital of Shenyang, Shenyang, China.
• J Coll Physicians Surg Pak. 2020 Apr 1; 30 (4): 448-452.

ObjectiveTo determine the diagnostic accuracy of flexile spectral imaging color enhancement (FICE) of abnormal morphologic changes in bronchial mucosal lesions.Study DesignDescriptive, analytical study.Place And Duration Of StudyDepartment of endoscopy, the 10th People's Hospital of Shenyang, China, from January 2015 to April 2016.MethodologyPatients aged 17-71 years, who presented with abnormal lesions of lung and bronchus, were included. Patients with severe heart disease, arrhythmias, aneurysm of aorta, blood pressure >160/100 mmHg, allergic to anaesthetic drugs, and unwilling to undergo endoscopy were excluded. The bronchoscopic FICE technique was used to observe abnormal bronchial mucosa in 85 patients. Targeted brushings, lavage, and tissue biopsies were performed under the FICE mode.ResultsWith routine pathological results under white light as a reference, high definition electronic bronchoscopy combined with FICE biopsy yielded a positive rate for bronchial mucosal lesions and bronchial tumors in up to (73 87%) of cases.ConclusionThe FICE technique showed significant enhancement of bronchial mucosal lesion diagnosis, which can help endoscopists in the early and accurate diagnosis. Key Words: FICE, Bronchial mucosal lesions, Biopsy, Diagnostic accuracy.

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