Direct vision brush cytology with colonoscopy: An aid to the accurate diagnosis of colonic strictures

The accuracy of direct vision brush cytology at colonoscopy was compared with colonoscopic biopsies, colonoscopy alone and radiology in the diagnosis of colonic strictures. There were 82 brushings in 79 patients; 55 had malignant and 24 had benign lesions. Cytology was correct in 66 (81 per cent), a...

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