The Correlation of E-cadherin Expression with Tumor Gradeand Tumor Budding in Endometrioid Endometrial Carcinoma

Authors

  • Haris Pemuda
  • Aswiyanti Asri
  • Rachmadijah Zuryati Nizar
  • Husna Yetti

DOI:

https://doi.org/10.55816/mpi.v31i3.515

Keywords:

endometrioid endometrial carcinoma, E-cadherin expression, tumor grade, tumor budding.

Abstract

Background
Endometrial carcinoma is the fourth most common malignancy among women worldwide with increasing incidence and death rate
every year. One of the types of endometrial carcinoma is endometrioid carcinoma, originated from atypical hyperplasia and develop
into carcinoma. Lack of intercellular cohesiveness in the epithelial tumors such as endometrioid carcinoma occur due to lack of
expression of E-cadherin. It can also causetumor invasion and metastatic through the epithelial-mesenchymal transition (EMT)
process. Tumor differentiation and tumor budding are presumed to be histopathologic representations due to lack of cohesiveness
and the occurrence of the EMT process so that these two things need to be related with the expression of E-cadherin on tumor cells.
Methods
An observational study was conducted using a cross-sectional approach with 46 cases of endometrioid endometrial carcinoma.
Samples were obtained from 4 Anatomical Pathology Laboratories in West Sumatra during 2016-2019 in the form of paraffin blocks
and HE slides that obtained from hysterectomy surgery. Reevaluation of tumor grade and tumor budding in HE slides was
performed. E-cadherin expression in tumor cells was seen by immunohistochemical staining. Bivariate statistical analysis was
performed using Fisher's Exact test and the results were considered significant if the p value was <0.05.
Results
Specimens with negative E-cadherin expression were more common in grade 2 tumors (41.7%) and grade 3 tumors (50.0%) and in
specimes with positive tumor budding (91.7%). Statistical analysis revealed a significant correlation between E-cadherin expression
with tumor grade (p=0.000) and tumor budding (p=0.000).
Conclusion
Expression of E-cadherin has a significant correlation with the tumor grade and tumor budding in endometrioid endometrial
carcinoma.

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Published

2022-09-12

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