Histopathological Diversity in Parotidectomy Materials in Turkish Population: Clinicopathologic Analysis and Demographic Features of 136 Cases in a Tertiary Care Hospital

Altinay, Serdar; Taskın, Umit; Sar, Mehmet; Aydin, Salih; Oktay, Mehmet Faruk

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자료유형: 학술저널

저자정보: Altinay, Serdar (Department of Pathology, Bagcilar Training and Research Hospital) Taskın, Umit (Department of Ear-Nose-Throat Surgery, Bagcilar Training and Research Hospital) Sar, Mehmet (Department of Pathology, Bakirkoy Dr. Sadi Konuk Training and Research Hospital) Aydin, Salih (Department of Ear-Nose-Throat Surgery, Bagcilar Training and Research Hospital) Oktay, Mehmet Faruk (Department of Ear-Nose-Throat Surgery, Bagcilar Training and Research Hospital)

저널정보: 아시아태평양암예방학회 Asian Pacific journal of cancer prevention : APJCP Asian Pacific journal of cancer prevention : APJCP 제15권 제14호

발행연도: 2014.1

수록면: 5,701 - 5,707 (7page)

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Background: Salivary gland tumours, which account for approximately 3% of head-neck cancers, are a heterogeneous group and thus it is difficult to identify their epidemiological characteristics. The aim of this study is to determine demographic features and histopathologic distribution of parotid neoplasms in a large sample from Turkey. Materials and Methods: This study was conducted retrospectively on 136 parotidectomy materials from operations between May 2009-May 2013. Age, gender, tumor diameter, histopathological diagnosis and surgical margin status were recorded. Results: The benign cases were 112 (82.4%), while the malignancies were 24 (17.6%). The accuracy rate of FNAC was 91%. There were 46 (33.8%) male and 90 (66.2%) female patients. Female/male ratio (M/F=0.5) was two, the Warthin (WT) tumor being more apparent in males (p<0.05). Pleomorphic adenoma (PA) was detected most frequently among benign pathologies at 61.6% (69/112), while the Warthin Tumor (WT) was detected as the second most frequent tumor at 20.5% (23/112). Mucoepidermoid carcinoma (MEC) and carcinoma ex pleomorphic adenoma (Ca ex PA) were detected at equal frequency at 20.8% (5/24) among malign tumors. These were followed by acinic cell carcinoma at 16.7% (4/24). While the surgical margin was positive in ten patients with malignant tumors (41.7%), all of the benign tumors were negative (p<0.01). No significant difference was detected in the age-gender of patients, tumor size and distribution of sites among benign and malignant groups (p>0.05). Conclusions: Pleomorphic adenoma is the most frequently reported benign tumor almost in all global literature. Yet, the distribution of malignant tumors displays geographical differences. Based on these data, we believe that our findings will provide a significant contribution to future epidemiological studies. We think that it will be beneficial to generate awareness on parotid tumors and ensure a fight against smoking as with all head-neck cancers.

#Salivary gland #parotid #tumors #epidemiology #Turkish population

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