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Gynecol Oncol. 2001 Jul;82(1):105-9.

Prognostic factors of Krukenberg's tumor.

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  • 1Department of Internal Medicine, Seoul National University College of Medicine, Seoul, 110-744, Korea

Abstract

OBJECTIVE:

The aim of this study was to determine prognostic factors of metachronous Krukenberg's tumors of gastric origin, thereby helping to establish a therapeutic plan for this rare entity.

METHODS:

Thirty-four female patients who underwent curative resection of gastric carcinoma from 1987 through 1996 and subsequently developed Krukenberg's tumors were identified. The covariates used for survival analysis were patient age at the time of ovarian relapse (categorized as <50 years or >/=50 years), size of Krukenberg's tumor (categorized as </=5, 5-10, or >10 cm), initial AJCC stage of gastric carcinoma, relapse-free interval (categorized as <1, 1-2, or >/=2 years), extent of recurrent disease, and the presence of gross residual disease after treatment for Krukenberg's tumors. The influence of all covariates on the survival period was assessed using the Cox proportional hazards model.

RESULTS:

At a median follow-up of 32.3 months (range, 2.2-83.1), the median survival period of 34 study patients was estimated to be 7.7 months (95% confidence interval (CI), 5.8-9.6) after the diagnosis of metachronous Krukenberg's tumor. Cox-model-based survival analysis demonstrated that the absence of residual disease after treatment and limited disease extent were favorable prognostic factors. The median survival period of patients without gross residual disease was longer (10.9 months (95% CI, 4.6-17.1)) than that of patients with gross residual disease (7.5 months (95% CI, 6.6-8.3)) [P = 0.036]. Median survival periods according to the extent of metastasis were 10.9 months (95% CI, 0-23.0) for patients with disease confined to the ovaries, 13.1 months (95% CI, 5.9-20.3) for patients with disease confined to the pelvis, 7.5 months (95% CI, 6.8-8.1) for patients with intraabdominal disease, and 3.6 months (95% CI, 3.4-3.7) for patients with disease spread outside the abdomen and pelvis [P = 0.003]. In contrast, patient age, size of ovarian tumor, initial stage of gastric adenocarcinoma, and relapse-free interval were not prognostic indicators for survival after the development of ovarian metastases.

CONCLUSION:

The absence of residual disease after treatment and limited disease extent were favorable prognostic factors of metachronous Krukenberg's tumors of stomach origin. Our data suggest that resection might have a role in the management of Krukenberg's tumors of stomach origin if it could render patients free of gross residual disease.

Copyright 2001 Academic Press.

PMID:
11426970
[PubMed - indexed for MEDLINE]
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