الفهرس Only 14 pages are availabe for public view
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Abstract
NBI is imaging technique for endoscopic diagnostic medical test which use Light for specific blue and green wavelengths and usrd to enhance the details Of certain aspect of surface of mucosa.NBI in GIT endoscopy used in identification Of Barrett’s oesophagues , classify colorectal polyps, tumours and identify Atyical cells in chronic ulcerative colitis, aim of study to evaluate feasability Of NBI compared to WLC , The study included four groups and reveal that NBI is not superior to WLC in detection of different colorectal lesions