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Prevalence and importance of nodal micrometastasis in patients with gastric adenocarcinoma

Author(s): Bjelović Miloš | Peško Predrag | Micev Marjan | Todorović Vera N. | Trajković Goran | Stojakov Dejan | Sabljak Predrag

Journal: Srpski Arhiv za Celokupno Lekarstvo
ISSN 0370-8179

Volume: 132;
Issue: 7-8;
Start page: 230;
Date: 2004;
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Keywords: adenocarcinoma | stomach | lymph nodes | micrometastasis

Micrometastasis is a microscopic (less than 2 mm) deposit of malignant cells separated from the primary tumor. The incidence and importance of occult perigastric lymph node involvement were analyzed in 26 pNO patients using the prospective method. The occult lymph node involvement was detected by immunohistochemical method using the anticyto-keratin 8/18 antibody. Prevalence of clinically significant occult lymph node involvement (Mi+) was statistically significant, and found in 38.5% of pNO patients. Out of tumor characteristics analyzed as possible predictors of occult lymph node involvement, the histological grade (GH) and the involvement of lymphatic vessels within gastric wall (pLl) had significant effect on the respective evaluation. The patients with histological grade 3 and 4 had occult lymph node involvement more often than those with grade 1 and 2 (p
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