Die Endosonographie (EUS) verkörpert heute die effektivste Methode zum präoperati-ven Staging von Ösophagus- und Magenkarzinomen. Aufgrund des hohen Auflösungs-vermögens im Nahbereich ist sie anderen bildgebenden Verfahren deutlich überlegen. Die endosonographische Treffsicherheit liegt für das T-Stadium bei 80-85%, Lymphknoten werden korrekt in 70-75 % der Fälle diagnostiziert. Die EUS bestimmt vor allem beim Ösophaguskarzinom verbindlich die jeweilige therapeutische Strategic In Abhängigkeit vom T-Stadium und der Lokalisation kann die EUS präoperativ die mög-liche Resektabilität des Tumors definieren oder alternative Maβnahmen sinnvoller erscheinen lassen. Beim Magenkarzinom muβ sich in Zukunft erst zeigen, ob durch eine präoperative Radio-/Chemotherapie beim endosonographisch nachgewiesenen T4-Sta-dium die Prognose verbessert werden kann.

Keywords:
Endosonographie, Ösophaguskarzinom, Magenkarzinom
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© 1994 S. Karger AG, Basel
1994
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