Abstract
Odontogenic keratocyst (OKC) classified by the World Health Organization as a cystic lesion of benign development stands out among the other odontogenic lesions due to potentially aggressive biological behavior, with a tendency to recurrence. The present study aims to report an OKC case in the mandible, as well as discuss aspects related to the radiographic findings and types of treatments of this lesion. A male patient exhibited a circumscribed lesion, and a hard consistency, lasting for 6 months, measuring approximately 1.0 cm in extension in the posterior region of the left mandible. Under the clinical hypothesis of radicular cyst, incisional biopsy was performed. Based on the definitive diagnosis of odontogenic keratocystic after histopathological examination, tooth removal was performed and an intraosseous device was placed to allow OKC decompression. After 1 year of observation, no evidence of relapse was found, and total lesion regression was observed. The findings of the present case highlight the importance of the correct diagnosis and emphasize the importance of a thorough clinical examination of the oral cavity. Odontogenic keratocyst (OKC) classified by the World Health Organization as a cystic lesion of benign development stands out among the other odontogenic lesions due to potentially aggressive biological behavior, with a tendency to recurrence. The present study aims to report an OKC case in the mandible, as well as discuss aspects related to the radiographic findings and types of treatments of this lesion. A male patient exhibited a circumscribed lesion, and a hard consistency, lasting for 6 months, measuring approximately 1.0 cm in extension in the posterior region of the left mandible. Under the clinical hypothesis of radicular cyst, incisional biopsy was performed. Based on the definitive diagnosis of odontogenic keratocystic after histopathological examination, tooth removal was performed and an intraosseous device was placed to allow OKC decompression. After 1 year of observation, no evidence of relapse was found, and total lesion regression was observed. The findings of the present case highlight the importance of the correct diagnosis and emphasize the importance of a thorough clinical examination of the oral cavity.
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