2020
DOI: 10.1155/2020/4216489
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Ameloblastic Carcinoma with Calcification: A Rare Case Report in the Mandible and Literature Review

Abstract: Ameloblastic carcinoma (AC) is a scarce malignant tumor which is more prevalent in the mandible than the maxilla. It occurs in a wide range of age groups, and there is a sex predilection in males. AC shows specific microscopic features and requires more aggressive surgical treatment plans in comparison with conventional ameloblastoma. Radiographically, AC resembles ameloblastoma except that it rarely represents focal mineralized materials, seemingly reflecting dystrophic calcification. This characteristic is u… Show more

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Cited by 5 publications
(7 citation statements)
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“…Clinically, AC is more destructive and invasive than ameloblastoma (AB). It is also characterized by a variety of symptoms including swelling with rapid growth, cortical bone perforation, pain, ulcer or fistula formation, facial asymmetry, dysphagia, and dysesthesia [ 2 5 ]. However, approximately 38% of ACs may be characterized only by painless swelling and lack typical clinical symptoms [ 2 , 3 ].…”
Section: Discussionmentioning
confidence: 99%
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“…Clinically, AC is more destructive and invasive than ameloblastoma (AB). It is also characterized by a variety of symptoms including swelling with rapid growth, cortical bone perforation, pain, ulcer or fistula formation, facial asymmetry, dysphagia, and dysesthesia [ 2 5 ]. However, approximately 38% of ACs may be characterized only by painless swelling and lack typical clinical symptoms [ 2 , 3 ].…”
Section: Discussionmentioning
confidence: 99%
“…Ameloblastic carcinoma (AC) is a malignant form of ameloblastoma (AB) and has a low incidence, accounting for 0.3–3.5% of all odontogenic tumors [ 1 ]. The clinical features of AC are often atypical, with painless swelling seen in about 38% of cases [ 2 , 3 ], and on imaging, it resembles clearly defined monocystic/polycystic types of AB, making it difficult to differentiate from AB via clinical and imaging findings [ 4 , 5 ]. Therefore, histopathological diagnosis is important.…”
Section: Introductionmentioning
confidence: 99%
“…Por otra parte, la presencia de destrucción ósea severa, invasión del tejido adyacente y focos radiopacos focales debe alertar de que estamos frente a una lesión más agresiva, y con mayor posibilidad de malignidad (1). Esto coincidió con nuestro caso, donde se observó una masa radiolúcida de limites difusos con compromiso hemimandibular derecho, reabsorción ósea severa, en cuyo espesor había focos radiopacos indicativos de calcificaciones distróficas, que son muy infrecuentes y cuya presencia es señal de una intensa actividad apoptótica, siendo más común en lesiones malignas (2).…”
Section: Discussionunclassified
“…El carcinoma ameloblástico no posee características patognomónicas (Tabla I), siendo necesario tener en cuenta diagnósticos diferenciales tales como: ameloblastoma, mixoma, tumor de Pindborg y con menor frecuencia, neoplasias malignas como el carcinoma intraóseo primario o carcinoma metastásico primario desconocido (2,5). Las características histopatológicas sugerentes para esta lesión incluyen: ausencia o escasas áreas tipo retículo estrellado en el centro de los nidos o cordones del carcinoma y presencia de grupos epiteliales, láminas o islas celulares, acompañadas de atipia celular (9), figuras mitóticas e hipercromatismo nuclear, lo que coincide parcialmente con lo reportado en este caso.…”
Section: Discussionunclassified
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