[Contribution of imaging of gastric cancers]. / Apport de l'imagerie dans les cancers gastriques.

Medical imaging techniques have gradually lost their place in the diagnosis of gastric neoplastic tumors since endoscopic ultrasonography appears. Today, classical esophageal gastric duodenum barium examination is only practiced in preoperative staging. Anyway, endoscopic ultrasonography and transabdominal sonography have a great part in the staging of locoregional and general extension, as well as in patients observation.