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At Which Stage of Gastric Cancer Progression Do Levels of Carcinoembryonic Antigen and Carbohydrate Antigen 19-9 Increase? Application in Advanced Gastric Cancer Treatment
Journal of Gastric Cancer ; : 123-128, 2014.
Artigo em Inglês | WPRIM | ID: wpr-7122
ABSTRACT

PURPOSE:

Since there are no proven tumor markers that reflect the course of gastric cancer, carcinoembryonic antigen (CEA) and carbohydrate antigen 19-9 (CA19-9) are commonly used alternatives. However, the degree of progression that corresponds to an increase in these markers, and the values of these markers at different cancer stages, remains unclear. MATERIALS AND

METHODS:

This study enrolled 1,733 gastric cancer patients who underwent surgery and whose pre-operative CEA and CA19-9 levels were known. Survival curves and mean values of the two markers were compared according to the degree of cancer progression serosa-unexposed (SU), serosa-exposed (SE), direct invasion (DI), localized seeding (P1), and extensive seeding (P2).

RESULTS:

The 5-year overall survival rates at each stage differed significantly, except between DI and P1 patients (17.1% vs. 10.5%, P=0.344). The mean CEA values in SU, SE, DI, P1, and P2 patients were 5.80, 5.48, 13.36, 8.06, and 22.82, respectively. The CA19-9 values for these patients were 49.40, 38.97, 101.67, 73.77, and 98.57, respectively. The increase in CEA in P2 patients was statistically significant (P=0.002), and the increases in CA19-9 in DI and P2 patients were significant (P=0.025, 0.007, respectively). There was a fair correlation between the two markers in P2 patients (r=0.494, P<0.001).

CONCLUSIONS:

CA19-9 can be used to assess DI of gastric cancer into adjacent organs. Both markers are useful for predicting the presence of extensive peritoneal seeding.
Assuntos

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Neoplasias Gástricas / Carcinoma / Antígeno Carcinoembrionário / Biomarcadores Tumorais / Taxa de Sobrevida / Progressão da Doença / Invasividade Neoplásica Limite: Humanos Idioma: Inglês Revista: Journal of Gastric Cancer Ano de publicação: 2014 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Assunto principal: Neoplasias Gástricas / Carcinoma / Antígeno Carcinoembrionário / Biomarcadores Tumorais / Taxa de Sobrevida / Progressão da Doença / Invasividade Neoplásica Limite: Humanos Idioma: Inglês Revista: Journal of Gastric Cancer Ano de publicação: 2014 Tipo de documento: Artigo