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Acta Endoscopica

, Volume 38, Issue 1, pp 7–17 | Cite as

Echoendoscopie et néoplasies anorectales

  • E. Assenat
  • P. Senesse
Article
  • 55 Downloads

Résumé

L’échographie endorectale (ERUS) est largement utilisée dans le bilan d’extension des tumeurs du rectum. Depuis une dizaine d’années, sa place est de plus en plus contestée du fait du développement de l’imagerie par résonance magnétique (IRM). L’intérêt d’une technique diagnostique repose sur sa capacité à influencer les choix thérapeutiques en permettant une meilleure sélection des malades; nous pensons donc que ces deux examens sont probablement complémentaires. Qui plus est, il apparaît que l’ERUS possède de nombreuses possibilités de développement.

Dans le cancer du canal anal, l’échographie endorectale est un examen de référence à condition qu’elle soit réalisée sur sonde rigide. En effet, cet examen permet alors d’une part, de conforter la stadification préthérapeutique clinique (UICC clinical TNM), d’autre part, de réaliser une classification échographique précise (pariétale et ganglionnaire) mieux corrélée aux données pronostiques.

Mots-clés

écho-endoscopie échographie endorectale imagerie par résonance magnétique (IRM) néoplasies anorectales 

Endoscopic ultrasound and anorectal neoplasms

Summary

Transrectal ultrasound (ERUS) is widely used in the extension assessment of rectal tumors. Over the past ten years its place has been increasingly challenged due to the development of magnetic resonance imaging (MRI). The value of a diagnostic technique is based on its ability to influence the therapeutic choices by allowing a better selection of patients; thus we believe that both these modalities are complementary. Moreover, it appears that the ERUS has a wide potential of development.

Transanal ultrasound (EAUS) is the most accurate technique for the staging of anal canal tumors provided a rigid probe is used. EAUS, realized in a short time, allows on the one hand to assess the pretherapeutic clinical staging (UICC clinical TNM), on the other hand to realize the US TNM (perirectal lymph nodes and parietal invasion) better correlated with the prognostic factors.

Key-words

anorectal neoplasms endorectal ultrasound (ERUS) endoscopic ultrasound magnetic resonance imaging (MRI) 

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Copyright information

© Springer 2007

Authors and Affiliations

  • E. Assenat
    • 1
  • P. Senesse
    • 1
  1. 1.CHU et CRLC Val d’AurelleMontpellierFrance

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