Background:
Despite the available data on demographic information of oral squamous cell carcinoma (OSCC), the changing trend of histopathologic pattern of OSCC has not conducted yet, in Iran. The aim was to investigate the pattern of histopathologic features of OSCC in Iran by analyzing the patients referred to Cancer Institute, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran, during 2006-2015.
Materials and Methods:
The study was a retrospective institutional study. The pathology records with the diagnosis of OSCC were retrieved from Iran National Tumor Bank, Cancer Biology Research Center, Cancer Institute of Iran, Tehran University of Medical Sciences, Tehran, Iran, during 2006-2015. The demographic characteristics and histopathologic features were recorded and analyzed for possible trend. Descriptive analysis was used for statistical interpretation.
Results:
The data showed an increasing number of moderately and poorly differentiated OSCC. Accordingly, higher increasing rate in tumor size and vascular, perineural invasion was detected.
Conclusion:
On the basis of histopathologic features, moderately differentiated OSCC with increasing rate of tumor size and vascular, perineural invasion was indicated in recent decade. Based on the findings, lower differentiation potentially is compatible with worsen prognosis.
Introduction: Clinicopathologic characteristics of oral Squamous cell carcinoma (OSCC) affected by age, although it is controversial. In this study the differences in clinicopathological features of OSCC were compared between patients younger and older than 40 years' old. Materials and methods: In this retrospective study the histopathologic records of OSCC patients who underwent surgery in Cancer Institute of Iran during 2005-2015 were retrieved. The demographic and histopathologic features of patients in two groups of younger than 40 and older than 40 years old were recorded and descriptive analysis was used for statistical interpretation between groups. Results: The most cases of OSCC in both groups was registered in males with 14.3% and 85.7% of cases in younger and older than 40, retrospectively. Tongue was the most prevalent anatomic location of OSCC in both groups (39%). Based on clinicopathologic features, most prevalent pathologic degree of OSCC in younger aged patients was moderately differentiated OSCC (14.5%). In patients older than 40, well differentiated OSCC (87.7%) was more prevalent. Conclusion: Based on histopathologic features, the moderately differentiated and well differentiated OSCC were more in younger and older patients than 40, respectively. The finding suggests that OSCC has more malignant feature in young patients.
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