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Résumé Les adénocarcinomes ampullaires sont les tumeurs malignes les plus fréquentes de l’intestin grêle et les adénomes vatériens représentent 14 à 20% des tumeurs bénignes de l’intestin grêle. L’ampullectomie endoscopique s’adresse aux adénomes, voire aux adénocarcinomes s’ils sont strictement intra muqueux [1]. Les adénocarcinomes et les adénomes représentent respectivement 50 % et 30 % des tumeurs...
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