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Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Les techniques de résection endoscopique des cancers gastro-intestinaux au stade précoce nécessitent une description précise de la profondeur de l’infiltration pour choisir entre traitement endoscopique ou chirurgical et répartir les patients en groupes à faible et à haut risque d’infiltration métastatique. La subdivision histologique de la muqueuse dans les cancers œsophagiens au stade précoce trouve son sens dans le fait que le risque de métastase lymphatique augmente avec la profondeur de l’infiltration y compris au niveau muqueux. La différence entre l’épithélioma épidermoïde et l’adénocarcinome de l’œsophage doit être prise en considération. La distinction entre néoplasie intra-épithéliale de haut grade et carcinome muqueux est presque sans conséquence puisque le diagnostic de néoplasie intra-épithéliale de haut grade devrait toujours conduire en premier lieu à une résection endoscopique à visée diagnostique. Le diagnostic histologique final devrait par conséquent être posé sur la pièce de résection. Le diagnostic de néoplasie intra-épithéliale de faible grade ne doit pas être confondu avec des aspects régénératifs. Des critères universels pour diagnostiquer sur biopsie les néoplasies intraépithéliales et les carcinomes invasifs mériteraient d’être améliorés. Endoscopic resection techniques for early neoplasms of the gastro-intestinal tract need exact description of depth of infiltration for the decision of endoscopic versus surgical therapy and dividing patients into low and high risk groups. Histologically subdivision of mucosa in early oesophageal neoplasms makes sense since the risk of lymph node metastasis increases with depth of infiltration even at the mucosal level. Differences between squamous cell carcinoma and adenocarcinoma of the oesophagus should be noted. The distinction of high grade intraepithelial neoplasia and mucosal carcinoma is nearly without consequence since the diagnosis of high grade intraepithelial neoplasia should always first lead to a (diagnostic) endoscopic resection. The final histological diagnosis could then be made on the resection specimen. Diagnosis of low grade intraepithelial neoplasia should not be mixed up with regenerative changes. Worldwide criteria on bioptic specimens for intraepithelial neoplasia and invasive carcinoma should be further improved. [ABSTRACT FROM AUTHOR]

Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Acta Endoscopica is the property of Lavoisier and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)