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  • Title: Role of endoscopic ultrasonography in gastric carcinoma.
    Author: Dittler HJ, Siewert JR.
    Journal: Endoscopy; 1993 Feb; 25(2):162-6. PubMed ID: 8491133.
    Abstract:
    Two hundred and fifty four consecutive patients with gastric adenocarcinoma who underwent surgery were preoperatively evaluated with endoscopic ultrasonography (EUS). The results were compared with the post-operative histo-pathological staging. EUS was correct in determining the T and N stage in 83% and 66%, respectively. Although EUS was accurate in determining the absence of lymph node metastases (accuracy in stage N0: 93%), it was not reliable in determining stages N1 and N2 (64% and 52%, respectively). Since 88% of all T3 and T4 tumors had lymph node metastases, the concomitant T stage may be an important criterion for assessing the nature of endosonographically visualized lymph nodes. The actual R0-resection rate (78%) was almost identical to the rate predicted preoperatively by EUS (81%). We therefore consider EUS a valuable pretherapeutic procedure in patients with gastric carcinoma.
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