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Year : 2022  |  Volume : 25  |  Issue : 9  |  Page : 1424-1429

Ki-67, p-53, E-Cadherin, and β-Catenin expression of advanced glotto-subglottic and supraglottic larynx carcinomas

1 Department of Otorhinolaryngology, Sakarya University Faculty of Medicine, Sakarya, Turkey
2 Department of Pathology, Kocaeli University Faculty of Medicine, Kocaeli, Turkey
3 Department of Anatomy, Kocaeli University Faculty of Medicine, Kocaeli, Turkey

Correspondence Address:
Dr. H Elden
Department of Otorhinolaryngology, Sakarya University Faculty of Medicine, Adapazarı, Sakarya - 54000
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/njcp.njcp_1693_21

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Background: Identifying tumor markers that can be used to determine the biological behavior of tumors and predicting their prognosis may be helpful in choosing treatment strategies. Besides the differences in the embryological and histological anatomy of the larynx in this regard, the possibility of molecular causes that can explain the different clinical behaviors has always been a question for the scientific world. Aim: In this study, we aimed to investigate whether there were any immunohistochemically molecular differences among laryngeal carcinoma cases originating from two different anatomical regions of the larynx. Patients and Methods: The study group consisted of 43 patients. The rate of supraglottic cancers was 41.8%, while the rest had glotto-subglottic tumors. Ki67, β-catenin, E-cadherin, and p53 were examined in pathology preparations obtained by laryngectomy surgeries. The data obtained were analyzed by comparing factors that may affect the prognosis of the disease and between tumors originating from the two different anatomical regions. Results: We did not see any statistically significant difference between groups for stage and grade of tumor, tumor recurrence rate, or lymphovascular or perineural invasion rated in terms of the investigated markers. In addition, there was no statistically significant difference between the two distinct groups in survival analysis. Conclusions: With these results, our study differs from some studies in the literature, and we think that this difference could be because the cases in our study consisted of advanced stage tumors and the groups investigated had similar survival rates.

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