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Research Article Open access CC BY 4.0

Extraosseous Gorlin Cyst: Case Report

Jessica Barbosa de Oliveira Gonçalves, Ellen Cristina Gaetti Jardim, Bruna Trazzi Pagani, Rogério Leone Buchaim, Beatriz Flavia de Moraes Trazzi, Marcelo Morgueti, Daniela Vieira Buchaim, Marcelo Rodrigues

International Journal of Medical and Pharmaceutical Case Reports · pp. 1–6 · Published 9 Nov 2015

10.9734/IJMPCR/2016/22326

Abstract

The Calcifying Cystic Odontogenic Tumor (CCOT) was first described by Gorlin in 1962. Due to its clinical, radiographic, and histopathological variables, it presents a wide variety of terminologies. The present report presents an extraosseous lesion (unrelated to teeth) with totally atypical behavior and a large bone resorption area. Clinical examination revealed a slight bulging in the lower right region of the jaw, presenting pain on palpation and soft consistency, as well as liquid contents inside it. A panoramic radiograph evidenced the presence of large local bone resorption. After collection of the material for histopathological analysis, the diagnosis was calcifying odontogenic cystic tumor. The lesion is also known as oral tumor of Malherbe, atypical ameloblastoma, keratinizing ameloblastoma, ghost cells odontogenic carcinoma, and Gorlin’s cyst. Such diagnosis in the literature is important, as there is a wide variety of manifestations of these lesions, complicating the clinical diagnosis and the terminological standardization of the disease.

Calcifying odontogenic cyst ghost cells odontogenic carcinoma oral tumor of Malherbe atypical ameloblastoma keratinizing ameloblastoma.

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