de Arruda José Alcides Almeida, Noronha Mariana Saturnino, Abreu Lucas Guimarães, de Lacerda Júlio César Tanos, Silva Tarcília Aparecida, Mesquita Ricardo Alves
Department of Oral Surgery and Pathology, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
Department of Pediatric Dentistry and Orthodontics, School of Dentistry, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil.
Oral Maxillofac Surg. 2020 Jun;24(2):243-249. doi: 10.1007/s10006-020-00830-1. Epub 2020 Jan 11.
Adenoid ameloblastoma is a rare benign odontogenic tumor that favors a slight predilection for male patients, fourth and fifth decades of life, and posterior regions of the jaws. To date, less than 40 cases have been reported in the English language literature. The radiographic aspects of adenoid ameloblastoma vary from unilocular and well-defined lesions to diffuse and multilocular lesions. Most of the lesions exhibit a radiolucent image and are usually large, with a mean size of 3.5 cm. Microscopically, pseudoductal structures composed of columnar cells in a palisaded arrangement formed from the parenchyma of the tumor were observed.
We describe a case of adenoid ameloblastoma in a 54-year-old woman, who presented with no symptoms. Panoramic radiography showed a well-circumscribed, unilocular radiolucency in the left posterior maxilla.
As odontogenic tumors are rare, some entities are infrequently encountered, making the diagnosis more difficult. Clinicians, oral and maxillofacial surgeons and oral pathologists should be familiar with the adenoid ameloblastoma and its differential diagnosis for accurate diagnosis and management.
腺样成釉细胞瘤是一种罕见的良性牙源性肿瘤,略倾向于男性患者,好发于40至50岁,以及颌骨后部区域。迄今为止,英文文献报道的病例不足40例。腺样成釉细胞瘤的影像学表现多样,从单房且边界清晰的病变到弥漫性和多房性病变。大多数病变表现为透射影像,通常较大,平均大小为3.5厘米。显微镜下,观察到由肿瘤实质形成的柱状细胞呈栅栏状排列组成的假导管结构。
我们描述了一例54岁无症状女性的腺样成釉细胞瘤病例。全景X线片显示左上颌骨后部有一个边界清晰的单房透射区。
由于牙源性肿瘤罕见,一些实体瘤很少见,使得诊断更加困难。临床医生、口腔颌面外科医生和口腔病理学家应熟悉腺样成釉细胞瘤及其鉴别诊断,以进行准确的诊断和治疗。