Management of Recurrence of Ameloblastoma and Odontogenic Keratocyst: A Cross-Sectional Study
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| Format: | Artículo científico |
| Language: | en |
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Universidad de Costa Rica
2020
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| author | Onur Yilmaz |
| author_facet | Onur Yilmaz |
| contents | Management of Recurrence of Ameloblastoma and Odontogenic Keratocyst: A Cross-Sectional Study Onur Yilmaz Zeynep Sagnak-Yilmaz Emre Balaban Celal Candirli Medicina Resection Recurrence Odontogenic Cysts Odontogenic Tumours Margins of Excision Objectives: Odontogenic keratocyst (OKC) and ameloblastoma are slowly growing and locally invasive tumors with high recurrence rate. The aim of this study was to investigate the clinicopathologic features of recurrent ameloblastoma and OKC cases, and evaluate outcomes of our treatments in terms of recurrence. Material and Methods: A total of 23 patients with confirmed recurrent ameloblastoma or OKC and treated in our clinic within eleven years period were reviewed retrospectively. Results: Eleven recurrent OKC cases and twelve recurrent ameloblastoma cases were included. Most recurrences occurred within five years after the initial treatment (69.6%). Enucleation had the highest recurrence rate among the first treatments (18/23). All recurrences were located in the mandible, with one exception (22/23). All recurrent OKCs were multilocular. Different histopathologic subtypes of ameloblastoma were seen in our study, follicular ameloblastoma was the most common (8/12). The mean diameter of the lesions was 4.3 cm (ranging from 2 cm to 7 cm). Statically significant relation was found between location and diameter of lesion and year of recurrence onset (p=0.004; p=0.026). We performed radical treatments in these cases (ten patients underwent marginal resections, and thirteen patients underwent segmental resection), and no recurrence was observed during the follow-up period. Conclusion: Previous inadequate surgical procedures were the most important cause of recurrence. Marginal or segmental resection with safety margins is the best method to treat recurrences of OKC or ameloblastoma cases. 2020 artículo científico 1659-1046 https://www.redalyc.org/articulo.oa?id=499566200021 https://www.redalyc.org/journal/4995/499566200021/ https://www.redalyc.org/journal/4995/499566200021/html/ https://www.redalyc.org/journal/4995/499566200021/499566200021.epub https://www.redalyc.org/journal/4995/499566200021/movil 10.15517/IJDS.2020.41564 en http://www.redalyc.org/revista.oa?id=4995 Odovtos - International Journal of Dental Sciences application/pdf Universidad de Costa Rica Odovtos - International Journal of Dental Sciences (Costa Rica) Num.3 Vol.22 |
| format | Artículo científico |
| id | redalyc_499566200021 |
| institution | Redalyc |
| language | en |
| publishDate | 2020 |
| publisher | Universidad de Costa Rica |
| spellingShingle | Management of Recurrence of Ameloblastoma and Odontogenic Keratocyst: A Cross-Sectional Study Onur Yilmaz Medicina Resection Recurrence Odontogenic Cysts Odontogenic Tumours Margins of Excision Management of Recurrence of Ameloblastoma and Odontogenic Keratocyst: A Cross-Sectional Study Onur Yilmaz Zeynep Sagnak-Yilmaz Emre Balaban Celal Candirli Medicina Resection Recurrence Odontogenic Cysts Odontogenic Tumours Margins of Excision Objectives: Odontogenic keratocyst (OKC) and ameloblastoma are slowly growing and locally invasive tumors with high recurrence rate. The aim of this study was to investigate the clinicopathologic features of recurrent ameloblastoma and OKC cases, and evaluate outcomes of our treatments in terms of recurrence. Material and Methods: A total of 23 patients with confirmed recurrent ameloblastoma or OKC and treated in our clinic within eleven years period were reviewed retrospectively. Results: Eleven recurrent OKC cases and twelve recurrent ameloblastoma cases were included. Most recurrences occurred within five years after the initial treatment (69.6%). Enucleation had the highest recurrence rate among the first treatments (18/23). All recurrences were located in the mandible, with one exception (22/23). All recurrent OKCs were multilocular. Different histopathologic subtypes of ameloblastoma were seen in our study, follicular ameloblastoma was the most common (8/12). The mean diameter of the lesions was 4.3 cm (ranging from 2 cm to 7 cm). Statically significant relation was found between location and diameter of lesion and year of recurrence onset (p=0.004; p=0.026). We performed radical treatments in these cases (ten patients underwent marginal resections, and thirteen patients underwent segmental resection), and no recurrence was observed during the follow-up period. Conclusion: Previous inadequate surgical procedures were the most important cause of recurrence. Marginal or segmental resection with safety margins is the best method to treat recurrences of OKC or ameloblastoma cases. 2020 artículo científico 1659-1046 https://www.redalyc.org/articulo.oa?id=499566200021 https://www.redalyc.org/journal/4995/499566200021/ https://www.redalyc.org/journal/4995/499566200021/html/ https://www.redalyc.org/journal/4995/499566200021/499566200021.epub https://www.redalyc.org/journal/4995/499566200021/movil 10.15517/IJDS.2020.41564 en http://www.redalyc.org/revista.oa?id=4995 Odovtos - International Journal of Dental Sciences application/pdf Universidad de Costa Rica Odovtos - International Journal of Dental Sciences (Costa Rica) Num.3 Vol.22 |
| title | Management of Recurrence of Ameloblastoma and Odontogenic Keratocyst: A Cross-Sectional Study |
| topic | Medicina Resection Recurrence Odontogenic Cysts Odontogenic Tumours Margins of Excision |
| url | https://www.redalyc.org/articulo.oa?id=499566200021 https://www.redalyc.org/journal/4995/499566200021/ https://www.redalyc.org/journal/4995/499566200021/html/ https://www.redalyc.org/journal/4995/499566200021/499566200021.epub https://www.redalyc.org/journal/4995/499566200021/movil |