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      Carcinoma ameloblástico mandibular: un diagnóstico infrecuente y desafiante Translated title: Mandibular ameloblastic carcinoma: an infrequent and challenging diagnosis

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          Abstract

          RESUMEN El carcinoma ameloblástico es un tumor odontogénico epitelial maligno, infrecuente y de mal pronóstico. Histopatológicamente es una lesión que conserva un patrón de diferenciación ameloblastomatoso, pero presenta características citológicas de malignidad. Debido a su rareza, existe poca información sobre su comportamiento biológico, el cual es reconocido en la literatura por ser inespecífico y variable, ya que puede presentarse como una lesión con características compatibles con una lesión benigna o como una entidad patológica agresiva altamente maligna. Esto último ha supuesto una dificultad no solo en su diagnóstico, sino también en la planificación terapéutica. Se reporta un caso de un carcinoma ameloblástico mandibular en un paciente perteneciente a la séptima década de la vida, destacando sus características clínicas, imagenológicas e histológicas variables que permitieron llegar a un diagnóstico correcto.

          Translated abstract

          ABSTRACT Ameloblastic carcinoma is a rare, malignant epithelial odontogenic tumor with a poor prognosis. Histopathologically it preserves an ameloblastomatous differentiation pattern but shows cytological features of malignancy. Due to its rarity, there is limited information on its biological behavior, which is recognized in the literature for being nonspecific and variable, as it may present as a lesion with characteristics compatible with a benign lesion or as a highly malignant aggressive pathological entity. The latter has been a difficulty not only in its diagnosis but also in the therapeutical planning. This article reports a case of a mandibular ameloblastic carcinoma occurring in a patient in the seventh decade of life, highlighting its variable clinical, imaging and histological characteristics that allowed us to reach a definitive diagnosis.

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          Most cited references10

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          Ameloblastic carcinoma: An analysis of 12 cases with a review of the literature

          The diagnosis of ameloblastic carcinoma is often difficult and the optimal treatment methods remain controversial. The current study retrospectively investigated the optimal diagnosis and treatment methods of 12 ameloblastic carcinoma patients at the West China Hospital of Stomatology, Sichuan University (Chengdu, China), and 20 patients selected from the PubMed database, were reviewed. The clinical features, diagnosis and outcome of the different treatments were evaluated. Ameloblastic carcinoma occurred in 12 out of a total of 538 ameloblastoma patients; the majority were of the primary type. Of the 538 ameloblastoma patients, 294 were male, 244 were female with a male to female ratio of 1.2:1. The predilection age is 20–30 years, which accounts for 40% of the total. In total, 461 cases were in the mandible and 77 were located in the maxilla. The cure rate of the primary type and the recurrence rate of the secondary type tumors were higher in the patients from the West China Hospital of Stomatology compared with those reported in the literature. In particular, a case with a long-term survival of 30 years is presented, which is considered to be relatively rare. The evolution of the clinical course has experienced three stages: Ameloblastoma (1978) followed by metastatic ameloblastoma (2000) and finally ameloblastic carcinoma (2008). To avoid recurrence, wide local excision with postoperative radiation therapy is required. While novel therapeutic regimens should also be considered as appropriate, including carbon ion therapy and Gamma Knife stereotactic radiosurgery. However, controlled studies with larger groups of patients are required to increase the accuracy of results.
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            Ameloblastic carcinoma: Clinicopathological analysis of 18 cases and a systematic review.

            Exploring the clinicopathological features of ameloblastic carcinoma (AC) and reviewing the literature to improve the diagnosis and treatment of the disease.
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              Immunohistochemical expression of K6, K8, K16, K17, K19, maspin, syndecan-1 (CD138), α-SMA, and Ki-67 in ameloblastoma and ameloblastic carcinoma: diagnostic and prognostic correlations

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                Author and article information

                Journal
                maxi
                Revista Española de Cirugía Oral y Maxilofacial
                Rev Esp Cirug Oral y Maxilofac
                Sociedad Española de Cirugía Oral y Maxilofacial y de Cabeza y Cuello (Madrid, Madrid, Spain )
                1130-0558
                2173-9161
                March 2022
                : 44
                : 1
                : 44-48
                Affiliations
                [3] Distrito Federal orgnameUniversidad Autónoma Metropolitana orgdiv1Departamento de Atención a la Salud Mexico
                [1] Santiago Santiago orgnameHospital San Juan de Dios orgdiv1Servicio de Cirugía Maxilofacial Chile
                [2] Santiago Santiago de Chile orgnameUniversidad de Chile orgdiv1Departamento de Patología y Medicina Oral Chile
                Article
                S1130-05582022000100044 S1130-0558(22)04400100044
                10.20986/recom.2022.1317/2021
                c45bdad1-8643-4c00-9af1-03fe226d9f2a

                This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

                History
                : 15 July 2021
                : 30 January 2022
                Page count
                Figures: 0, Tables: 0, Equations: 0, References: 10, Pages: 5
                Product

                SciELO Spain

                Categories
                Casos Clínicos

                diagnosis,Carcinoma ameloblástico,ameloblastoma,tumor odontogénico,diagnóstico,Ameloblastic carcinoma,odontogenic tumor

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