Odontogenic cysts: clinicopathological study of a case series.

Introduction: Odontogenic cysts (OC) occur in gnathic bones and consist of pathological cavities lined by odontogenic epithelium. OC are classified into developmental or inflammatory origins. Objectives: This study aimed to retrospectively analyze the clinicopathological features of all OC diagnosed in an oral pathology service. Material and Methods: Clinical data such as age, sex, location, clinical presentation, complaint time, diagnostic agreement, and the type of biopsy were collected from the clinical records. Results: A total of 517 (7.2%) cases of OC were diagnosed over 19 years. Most cases occurred in females (n = 284; 54.9%), and the mean age was 31. The mandible was the most affected site (n = 275; 39.4%), with a mean complaint time of 23 months. Most of the OC were radicular cysts (n = 148; 28.6%), followed by dentigerous cysts (n = 135; 26.1%) and odontogenic keratocysts (n = 79; 15.3%). Excisional biopsy was performed in 44.7% of cases (n = 231). In addition, the clinical hypothesis and histopathological diagnosis agreed in most cases (n = 370; 71.6%). Conclusions: This study found a similar prevalence of OC compared to other series worldwide. Inflammatory OC were the most frequent. [ABSTRACT FROM AUTHOR]