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Research Article

Relative Prevalence of Odontogenic Cysts and Tumours in Kano; Northern Nigeria

Iyogun CA, Sule AA and Omitola OG

Correspondence Address :

Iyogun CA
Department of Oral and Maxillofacial Pathology
University of Port Harcourt Teaching Hospital
Nigeria
Tel: +2348033132937
Email: iyoguncornelius@yahoo.com

Received on: February 10, 2017, Accepted on: March 30, 2017, Published on: April 07, 2017

Citation: Iyogun CA, Sule AA, Omitola OG (2017). Relative Prevalence of Odontogenic Cysts and Tumours in Kano; Northern Nigeria

Copyright: 2017 Iyogun CA, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

  • Abstract

Abstract
Background & Objective: Odontogenic cysts and tumours are distinct entities and quite a common occurrence in the jaw bones. They sometimes coexist and may even share histogenetic/embryologic origin. Consequently, a comprehensive study of both entities is justified. 
Materials and Methods: This was a 7-year (2006 - 12) retrospective study of all odontogenic cysts and tumours diagnosed at the pathology department of Aminu Kano Teaching Hospital, Kano. Histology slides on all cases were retrieved and reviewed by the authors. Where slides were not available, fresh sections were cut from archival parafin blocks. 
Results: One hundred & sixty five odontogenic cysts (43) & tumours (122) were diagnosed during the seven year study period. Patients age ranges from 3 to 61 years and 12 to 75 years (median age 30) for odontogenic cysts and tumours respectively with the highest occurrence in the 2nd-3rd decade age group for both lesions. Among the odontogenic cysts and tumours, most frequent lesions were dentigerous cysts and ameloblastomas which constituted 60.5% and 73.0% respectively. Male to female ratio for odontogenic cysts and tumours were 1.5 : 1 each. Both had mandible as the most frequent anatomic location. 
Conclusion: The study provides a cumulative data of odontogenic cysts and tumours. The findings were consistent with most published reports in other developing nations but somewhat at variance with developed world where odontogenic cysts were more commonly reported than tumours and both odontogenic cysts and tumours afflict a slightly older age group.
Keywords: Odontogenic cysts, Odontogenic tumours, Dentigerous cysts, Ameloblastomas