Radiographic Evaluation of Odontogenic Keratocyst: A 14-year Retrospective Study

DOI

10.2991/isphe-18.2018.61How to use a DOI?

Keywords

odontogenic keratocyst, keratocystic odontogenic tumor, radiographic features

Abstract

Odontogenic keratocyst is regarded as a relatively common developmental odontogenic lesion representing 12% to 14% of all odontogenic cyst of the jaw. The lesion is of important interest for its potentially destructive behaviour and relatively high recurrence rate from 21.1% to as high as 35.4% in patients associated with Nevoid basal cell carcinoma syndrome. This study aim to determine the radiographic characteristic of odontogenic keratocyst (OKC) using conventional radiographs and cone beam computed tomography images. Patients histopathologically diagnosed as OKC from 2003 to 2016 by Oral and Maxillofacial Pathology Department were retrospectively reviewed. Radiographs of these cases from the archives of the Department of Oral and Maxillofacial Radiology, Faculty of Dentistry Mahidol University were retrieved. Assessment of the location, shape, border, cortication, locularity, relationship of lesion to embedded tooth, displacement of adjacent tooth, root resorption and bony expansion of the lesion were conducted. Radiographs of 89 patients with the mean age of 31.5 years old were analysed. A total of 100 OKCs were studied. The most common location was at the ramus of mandible followed by posterior maxilla. Most cases presented as a well-defined unilocular radiolucency with smooth and corticated border. The lesions were in association with embedded tooth in 42 lesions. The lesions might relate to an embedded tooth by surrounding an entire tooth, attached to the CEJ level or extending to part of root. Bony expansion and teeth displacement could be found and root resorption were not common. These features facilitate in guiding the clinicians to formulate the differential diagnosis.

Copyright

© 2018, the Authors. Published by Atlantis Press.

Open Access

This is an open access article distributed under the CC BY-NC license (http://creativecommons.org/licenses/by-nc/4.0/).

Download article (PDF)

TY  - CONF
AU  - Nor Hidayah Reduwan
AU  - Jira Kitisubkanchana
AU  - Suchaya Pornprasertsuk- Damrongsri
AU  - Sopee Poomsawat
PY  - 2018/05
DA  - 2018/05
TI  - Radiographic Evaluation of Odontogenic Keratocyst: A 14-year Retrospective Study
BT  - Proceedings of the International Seminar on Public Health and Education 2018 (ISPHE 2018)
PB  - Atlantis Press
SP  - 263
EP  - 266
SN  - 2468-5739
UR  - https://doi.org/10.2991/isphe-18.2018.61
DO  - 10.2991/isphe-18.2018.61
ID  - Reduwan2018/05
ER  -