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ORIGINAL ARTICLE
Year : 2021  |  Volume : 24  |  Issue : 11  |  Page : 1737-1741

Comparison of histopathological findings of the colon adenomas and adenocarcinomas with cyclin D1 and Ki-67 expression


1 Department of Pathology, Gaziantep Dr. Ersin Arslan Education and Research Hospital, Gaziantep, Turkey
2 Department of Pathology, Erzincan Binali Yıldırım University, Medical Faculty, Erzincan, Turkey

Correspondence Address:
Dr. M Tayfur
Department of Pathology, Erzincan Binali Yildirim University, Medical Faculty, Erzincan
Turkey
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/njcp.njcp_68_21

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Background: Cancer is one of the biggest health problems in the world. Colon adenocarcinoma is the third most common cancer and is the fourth most common cause of cancer deaths. The majority of colon adenocarcinomas originate from a previous adenoma. Cyclin D1 expression and Ki-67 proliferation index increase as the risk of malignancy transformation increases in adenomas. Aims: This study aims to share the results of the Cyclin D1 and Ki-67 studies we performed in colon adenoma and colon adenocarcinoma cases in our hospital with the literature and contribute to the diagnosis and treatment of patients. Materials and Methods: Surgical materials of 40 colon adenocarcinomas and 40 colon adenomas were histopathologically re-evaluated. Cyclin D1 and Ki-67 immunohistochemical staining were applied to these materials. Cyclin D1 and Ki-67 staining rates were compared in colon adenocarcinomas and adenomas. Results: Cyclin D1 and Ki-67 staining rates were increased in colon adenocarcinoma cases compared to colon adenoma. There was a significant difference between the colon adenocarcinoma and colon adenoma case groups in terms of Cyclin D1 and Ki-67 staining scores. Conclusion: In conclusion, immunohistochemical markers such as Cyclin D1 and Ki-67 will be helpful in differential diagnosis when there is difficulty in evaluating routine Hematoxylin-Eosin stained preparations between adenocarcinomas and adenomas.


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