Ameloblastic fibrosarcoma: clinicopathological and molecular …
Aims: Ameloblastic fibrosarcoma (AFS) is an aggressive odontogenic neoplasm featuring malignant mesenchymal stroma in addition to an ameloblastic epithelial component, and is hence considered to be the malignant counterpart of ameloblastic fibroma (AF). AFS is exceedingly rare, with <110 cases having been reported so far.
Ameloblastic fibrosarcoma transformation from ameloblastic …
Ameloblastic fibrosarcoma (AFS) is an extremely rare malignant odontogenic tumor. It is composed of benign odontogenic epithelium, resembling that of ameloblastoma, and a mesenchymal part exhibiting features of fibrosarcoma.
Pathology Outlines - Odontogenic sarcoma / ameloblastic fibrosarcoma
Jan 1, 2016 · Similar to ameloblastic fibrosarcoma and ameloblastic fibroma, may show some histological overlap of the basaloid odontogenic epithelial islands (peripheral palisading, reverse polarization, stellate reticulum)
Ameloblastic Fibrosarcoma: Report of a Case, Study of …
Dec 19, 2011 · Ameloblastic fibrosarcoma (AFS) is a rare odontogenic neoplasm exhibiting a benign ameloblastomatous epithelial component admixed within a sarcomatous mesenchyme. It is considered the malignant counterpart of ameloblastic fibroma (AF) and can arise de novo or from transformed AF. 1 AFS is a locally aggressive tumor that seldom metastasizes.
Ameloblastic fibrosarcoma: clinicopathological and molecular …
Jan 3, 2020 · Ameloblastic fibrosarcoma (AFS) is an aggressive odontogenic neoplasm featuring malignant mesenchymal stroma in addition to an ameloblastic epithelial component, and is hence considered to be the malignant counterpart of ameloblastic fibroma (AF).
Ameloblastic fibroma and ameloblastic fibrosarcoma: A
Conclusions: Very long follow-up is recommended for AF lesions, due to the risk of recurrence and malignant change into AFS. Segmental resection is the most recommended therapy for AFS. Keywords: ameloblastic fibroma; ameloblastic fibrosarcoma; clinical features; odontogenic tumours; recurrence rate.
Ameloblastic fibrosarcoma transformation from ameloblastic f ...
Ameloblastic fibrosarcoma (AFS) is an extremely rare malignant odontogenic tumor. It is composed of benign odontogenic epithelium, resembling that of ameloblastoma, and a mesenchymal part exhibiting features of fibrosarcoma.
Ameloblastic fibrosarcoma of the upper jaw: Report of a rare …
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.
Ameloblastic fibrosarcoma: a rare malignant odontogenic tumor
Introduction: Ameloblastic fibrosarcoma (AFS) is a rare malignant odontogenic tumor. It can arise de novo, however one-third of cases may arise from a recurrent ameloblastic fibroma, in which case they appear to present at an older age.
Ameloblastic fibroma or fibrosarcoma: A dilemma of oral surgeon
Ameloblastic fibroma (AF) is an uncommon true mixed odontogenic tumor, with a relative frequency between 1.5% and 4.5% of all odontogenic tumors. It may behave either as a true neoplasm or as a hamartomatous proliferation of odontogenic epithelium of the enamel organ and odontogenic mesenchyme of the primitive dental pulp.