ameloblastic fibroma
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Author(s):  
İlknur ENİNANÇ ◽  
Defne YALÇIN YELER ◽  
Ömer Fahrettin GÖZE ◽  
Halit ŞENGEL ◽  
Kübra Nur ÇAKAN

Author(s):  
Amr Ibrahim ◽  
Emad Elqalshy ◽  
Ahmed El-Mohamadi ◽  
Kamal Abd El-Rahman ◽  
Magdy Alazzazi

Background: The present study was carried out to evaluate the roles of proliferation and angiogenesis in locally aggressive biologic behavior of ameloblastoma versus ameloblastic fibroma; Methods: 30 formalin-fixed paraffin embedded blocks (15 cases of ameloblastoma & 15 cases of ameloblastic fibroma) were used. To evaluate the proliferation, the tissue sections were stained with AgNORs stain. CD105 was used as immunohistochemical marker of angiogenesis. Quantitative evaluations of AgNORs were performed. The mean vascular density was evaluated as a measure for CD105 protein expression by using image analyzer computer system; Results: The mean number of AgNORs dots per nucleus was significantly higher in ameloblastoma as compared to ameloblastic fibroma. Also, the protein level of CD105 showed positive expression and wide distribution that the mean vascular density was significantly higher in ameloblastoma as compared to ameloblastic fibroma; Conclusion: Quantitative evaluation of AgNORs stain & the mean vascular density utilizing CD105 protein expression may reflect a higher proliferative activity and a more locally aggressive biologic behavior of ameloblastoma when compared to ameloblastic fibroma, that other factors may be involved in biologic behavior of ameloblastic fibroma.


Author(s):  
Idani Motandi ◽  
Millogo Mathieu ◽  
Badini Soutongnoma Ahmed Patrick ◽  
Ili Bévianda Vincent ◽  
Zango Adama ◽  
...  

2021 ◽  
Vol 28 (1) ◽  
Author(s):  
Akane Mochizuki ◽  
◽  
Rei Fukui ◽  
Toshihiko Amemiya ◽  
Yoshinori Arai ◽  
...  

Ameloblastic fibrodentinoma (AFD) is a rare tumor with an incidence rate of less than 1%. When lesion with the histomorphology of ameloblastic fibroma(AF), which is true neoplasms, form dysplastic dentin, and had been referred to as AFD. It histologically consists of odontogenic ectomesenchyme resembling the dental papilla, epithelial strands, and nests resembling dental lamina and enamel organ with dentin formation. Although newly categorized as an odontoma by the WHO in 2017, this lesion was previously referred to as a rare odontogenic tumor by the WHO in 2005. Objective: We aim to summarize our case with other previous case reports considered to be equivalent to the conventional WHO classification of AFD. Case Report: An 8-year-old girl presented to our hospital complaining of delayed eruption of a tooth. Computed tomography showed an odontoma-like radiopacity in a unilocular radiolucent lesion sized approximately 20 mm. The lesion was extracted under general anesthesia and histopathologically exhibited AFD. Herein, we report a rare case of AFD in the maxilla. Conclusion: Although this lesion deviates from the concept of disease as an odontogenic tumor, it is hoped that clinically sufficient follow-up is required and more similar cases will accumulate as independent tumors, rather than simply being recognized as developmental odontomas


2021 ◽  
Vol 10 (2) ◽  
pp. e26610212430
Author(s):  
Gustavo Zanna Ferreira ◽  
Carolina Ferrairo Danieletto-Zanna ◽  
Liogi Iwaki Filho ◽  
Rômulo Maciel Lustosa ◽  
Willian Pecin Jacomacci ◽  
...  

The ameloblastic fibro-odontoma (AFO) is a mixed odontogenic tumor, with characteristics of ameloblastic fibroma, presenting enamel and dentin, which occurs more frequently in individuals aged 5 to 17 years. This paper reports na extensive case of ameloblastic fibro-odontoma in the mandible of a 3-year-old patient, discussed in comparison to cases selected from a brief literature review on the clinical characteristics, Evolution and therapeutic options for this lesion. In the last years, there was no consensus in the literature concerning its etiopathogenesis and classification, yet recently the AFO was classified as a developing odontoma. This case is in accordance with the 7 cases reported in the literature of AFO in the mandible of children aged 10 years or younger, especially concerning the lesion pattern and evolution and treatment adopted. The patient did not present relapse and exhibited local bone regeneration at the 3-year follow-up.


Author(s):  
Takeshi Onda ◽  
Azusa Yamazaki ◽  
Kamichika Hayashi ◽  
Takahiro Iwasaki ◽  
Kazuhiko Hashimoto ◽  
...  

2020 ◽  
Vol 130 (3) ◽  
pp. e175-e176
Author(s):  
CAROLINA MARIA CAMPOS ◽  
RANI IANI COSTA GONÇALO ◽  
JANAINA LESSA DE MORAES DOS SANTOS ◽  
HIANNE CRISTINNE DE MORAIS MEDEIROS ◽  
RUBENS CARDOZO DE CASTRO JUNIOR ◽  
...  

2020 ◽  
Vol 130 (3) ◽  
pp. e127-e128
Author(s):  
WALESKA OHANA DE SOUZA-MELO ◽  
PEDRO JOSÉ TARGINO RIBEIRO ◽  
ERNANI CANUTO FIGUEIRÊDO JÚNIOR ◽  
IGOR FIGUEIREDO PEREIRA ◽  
TIAGO JOÃO DA SILVA FILHO ◽  
...  

Author(s):  
JULIANA MENESES MONTALVÃO COSTA ◽  
GIOVANNA PEREIRA DE SOUZA ◽  
MARIA ELIANE DE ANDRADE ◽  
MARIA DE FÁTIMA BATISTA MELO ◽  
SARA JULIANA DE ABREU DE VASCONCELLOS ◽  
...  

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