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Year : 2014  |  Volume : 13  |  Issue : 1  |  Page : 24-29

Salivary gland tumors, a twenty-year retrospective study

1 Department of Pathology, Central Hospital, Benin City, Nigeria
2 Department of Histopathology, University of Benin Teaching Hospital, Benin City, Nigeria

Correspondence Address:
Dr. Uchendu Obiora Jude
Department of Pathology and Forensic Medicine, Central Hospital, Benin City, Edo State
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2384-5589.139439

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This is a retrospective study of salivary gland tumor (SGT) specimens seen at the University of Benin Teaching Hospital (UBTH) over a 20-year period. It is aimed at determining the epidemiological pattern of these tumors. The materials for this study that consisted of available slides and paraffin-embedded blocks of all SGT specimens received during the study period were evaluated. Data on age, sex, anatomical sites and histologic diagnosis were obtained from the departmental surgical records. Data analysis was done using SPSS version 16.0. SGTs are very rare, accounting for 0.32% of specimens received in the UBTH. The female to male ratio was 1:1.3, and the ratio of benign to malignant tumors was 1.8:1. The mean ages for benign and malignant tumors were 37.0 and 43.5 years, respectively. The peak age for benign SGTs was in the 3 rd decade, while malignant tumors showed a peak in the 6 th decade. The parotid gland was most commonly affected (57%). Overall, pleomorphic adenoma was the most common SGT seen, accounting for 53.2% of all the cases. Adenoid cystic carcinoma was the most frequently encountered malignant SGT (10.1%). The epidemiological pattern of SGT in the study populace is similar to those of other African-based studies but differ slightly from those of the Caucasians.

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