Ameloblastic fibrodentinosarcoma: a rare malignant odontogenic tumor.

نویسندگان

  • Leorik Pereira da Silva
  • Jefferson da Rocha Tenório
  • Bartolomeu Cavalcanti de Melo Júnior
  • José Paulo da Silva Filho
  • George João Ferreira do Nascimento
  • Ana Paula Veras Sobral
چکیده

Universidade Federal do Rio Grande do Norte (UFRN), Departamento de Odontologia, Patologia Oral, Natal, RN, Brazil Hospital Universitário Oswaldo Cruz, Departamento de Cirurgia de Cabeça e Pescoço, Recife, PE, Brazil Instituto São Leopoldo Mandic, Centro de Pesquisas, SLMandic, São Paulo, SP, Brazil Universidade Federal de Campina Grande (UFCG), Faculdade de Odontologia, Centro Acadêmico de Ciências Biológicas, atologia Oral, Patos, PB, Brazil Universidade de Pernambuco (UPE), Faculdade de Odontologia, Patologia Oral, Camaragibe, PE, Brazil

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Ameloblastic Fibrosarcoma: A Case Report and Literature Review.

Here is described a case of ameloblastic fibrosarcoma (AFS) affecting the posterior mandible of a woman who was treated surgically and recovered without signs of recurrence or metastasis after 12 years of follow-up. Tumor sections were immunostained for cell cycle, epithelial and mesenchymal markers. Immunohistochemical analysis evidenced high Ki-67 positivity in stromal cells (mean of 20.9 cel...

متن کامل

Ameloblastic fibrosarcoma of the upper jaw: Report of a rare case with long-term follow-up

Ameloblastic fibrosarcoma (AFS) is a rare malignant mixed odontogenic tumor which is usually considered as the malignant counterpart of ameloblastic fibroma. Only mesenchymal component represents sarcomatous alterations and ameloblast-like epithelial nest remains bland in AFS. Here, we report a case of AFS in a 26-year-old man in the maxilla, which was regarded as an uncommon location for this ...

متن کامل

Hybrid Odontogenic Lesion: A Rare Entity

Hybrid tumors are very rare tumors composed of two different tumor entities, each of which conforms to an exactly defined tumor category. A 14-year-old boy was referred for an intraosseous painless lesion with a histopathological feature of multiple odontogenic lesions including calcifying odontogenic cyst, complex odontoma and ameloblastic fibro-odontoma. The final diagnosis considered to be a...

متن کامل

Odontogenic carcinosarcoma of the mandible: a case report and review

Odontogenic carcinosarcoma is an extremely rare malignant odontogenic tumor with only a few reported cases. It is characterized by a true mixed tumor showing malignant cytology of both epithelial and mesenchymal components. It has been assumed to arise from pre-existing lesions such as ameloblastoma, ameloblastic fibroma, and ameloblastic fibrosarcoma. To date, the reported cases have exhibited...

متن کامل

Ameloblastic fibroma: a rare case report with 7-year follow-up.

INTRODUCTION Ameloblastic fibroma (AF) is a rare benign odontogenic tumor that usually occurs in the fi two decades of life. It affects adolescents and young adults and is found in the mandible and with a high frequency in the posterior region of this segment. There are rare case reports with a long-term follow-up. CASE OUTLINE We report the case of a 6-year-old boy with extensive ameloblasti...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

ثبت نام

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

عنوان ژورنال:
  • Brazilian journal of otorhinolaryngology

دوره 82 5  شماره 

صفحات  -

تاریخ انتشار 2016