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Colorectal Carcinoma: Is There Any Correlation between Her2/neu Expression, Ki-67 Score, and Tumor Budding and
Susnata Khan1, Senjuti Dasgupta2, Asit Ranjan Deb3
1Department of Pathology, Midnapore Medical College and Hospital, Midnapore, West Bengal, India.
Objectives:
Colorectal cancer is one of the most frequent cancers worldwide and is still a major cause of cancer mortality. Her2/neu, Ki67 score, and tumor budding are independent prognostic factors in colorectal carcinomas. The objectives of the study were to evaluate Her2/neu expression, Ki67 score, and tumor budding index at invasive margin in colorectal carcinoma and find out their possible correlations with different clinicopathological factors.
Materials And Methods:
An institution-based observational cross-sectional study was conducted for 18 months. Forty-one patients with histologically proven diagnosis of colorectal carcinoma were included. Histopathological and immunohistochemical analyses (Her2/neu and Ki-67) of each case were done.
Statistical Analysis:
Data analysis was done using the SPSS software.
Results:
A significant correlation was found between tumor budding status and pathological T stage, Dukes' and American Joint Committee on Cancer stages, and between tumor-infiltrating lymphocytes status and Ki-67 expression status ( p < 0.05).
Conclusion:
The prognostic importance of tumor budding in colorectal carcinoma is very clear. Considering the small sample size of the present study, the prognostic values of Her2/neu and Ki-67 are required to be explored further in larger cohorts in the future.
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