TVD 2017

CT-scan for GTV-N definition

NODES : Size, border, density, central fatty hilum

LIMITATIONS:

• Reported overall accuracy < 60% for mediastinal lymph nodes, from 39% to 74% in coeliac and abdominal lymph nodes

• Lymphnoda l metastases adjacent to the esophageal wall are not visible

• Dimensional criterion can be not sufficient for all cases: • Metastases have been found in lymphnodes lower than 7mm in larger diameter • Lymphnodes > 1 cm may be enlarged by inflammation

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Plukker JThM – Best Pract Res Clin Gastroenterol – 2006