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Related Experiment Videos

Flow cytometry as a prognostic predictor in gastric linitis plastica

A Candel1, L Green, M Castelli

  • 1Department of Pathology, Loyola University Medical Center, Maywood, Illinois 60153.

Journal of Surgical Oncology
|August 1, 1994
PubMed
Summary

Gastric linitis plastica (GLP) tumors are often diploid. Lymph node metastasis, not DNA ploidy, significantly impacts survival in these advanced stomach cancers.

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Area of Science:

  • Oncology
  • Gastroenterology
  • Pathology

Background:

  • Gastric linitis plastica (GLP) is an advanced stomach cancer with poor prognosis.
  • Previous studies on tumor ploidy in GLP have yielded inconclusive results.
  • Accurate prognostic markers are crucial for managing GLP.

Purpose of the Study:

  • To investigate the role of DNA ploidy in predicting outcome for surgically treated Gastric Linitis Plastica patients.
  • To determine if tumor ploidy correlates with lymph node status and overall survival.

Main Methods:

  • Retrospective analysis of 43 surgically treated Gastric Linitis Plastica patients.
  • Flow cytometric DNA analysis performed on paraffin-embedded tumor tissues.
  • Correlation of DNA ploidy with lymph node status and patient survival data.

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Main Results:

  • 29 (67%) tumors were diploid, while 14 (33%) were aneuploid.
  • Overall survival significantly correlated only with lymph node status (P = 0.04).
  • DNA content significantly correlated with lymph node status (P = 0.05) but not overall survival.

Conclusions:

  • The majority of Gastric Linitis Plastica tumors exhibit diploid DNA content.
  • Lymph node metastasis is a primary determinant of survival in GLP patients.
  • Tumor ploidy does not appear to be a significant independent predictor of survival in this cohort.