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alimentary tract smear


Definition: a group of cytologic specimens containing material from the mouth (oral smear), esophagus and stomach (gastric smear), duodenum (paraduodenal smear), and colon, obtained by specialized lavage techniques; used principally for the diagnosis of cancer of those areas.

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.