Issue N# 1 - 2002
LARYNGOLOGY
Clinical and histopathological correlates of the proliferative activity in squamous cell laryngeal carcinoma
Authors : Y. Bayazit, K. Bakir, R. Ucak, S. Mumbuc, E. Ozer, M. Kanlikama (Kolejtepe, Gaziantep)
Ref. : Rev Laryngol Otol Rhinol. 2002;123,1:43-46.
Article published in english 
Downloadable PDF document english
Summary :
Objectives: To elucidate the clinical and histopathological significance of the proliferative activity as determined by PCNA and Ki67 levels and mitotic counting (MC) in laryngeal squamous cell cancer (LSCC). Study Design: An analysis of clinical, histopathological and immunhistochemical (PCNA0 and Ki67) results of 28 patients, who were treated for LSCC, was made. Methods: Clinical data of the patients were reviewed and corresponding archival paraffin embedded tissue samples were obtained. Histopathological studies and MC were performed, and PCNA and Ki67 positivity was assessed. Results: There was no association between the mean values of the proliferative markers, and N stage and T stage of the patients as well as laryngeal site of involvement (p>0.05). There was a correlation between the proliferative indicators and tumor grade (p<0.05). A correlation was also encountered between the PCNA, Ki67 and MC values (p=0.02). Conclusion: the proliferative markers studied are not reliable indicators for the presumptive diagnosis of occult neck metastasis. They may be used as complementary tools to the conventional histopathologic grading systems to assess the tumour differentiation in LSCC.
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