1. Eur Ann Otorhinolaryngol Head Neck Dis. Feb;(1) doi: / Epub Jul 9. A case of an ameloblastic fibrosarcoma in the mandible is described. The primary tumor was seen in a 5-year-old child. In spite of repeated surgical. 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.

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Recent studies about AF malignant transformation linked such evolution to the acquisition of oncogenic aberrations in TP A biopsy of the mass was performed.

Ameloblastic sarcoma in the maxilla. Ameloblastic fibrosarcoma of the ammeloblastic.

Pathology Outlines – Malignant tumors: ameloblastic fibrosarcoma

Malignant transformation of ameloblastic fibroma to ameloblastic fibrosracoma En bloc surgical resection from the second premolar to the anterior ramus region was performed under general anesthesia.

Appears as an expansive, multilocular radiolucent lesion Often shows cortical perforation. Nihon Koku Geka Gakkai Zasshi ; The streptavidin-biotin-peroxidase method was used following standard protocols.

The essence of this view has remained unaltered since that time 18. Histopathological examination of the resected specimen showed evidence of scant cords and nests of odontogenic epithelium scattered within the mesenchymal stromal tissue Fig. Conflict of Interests The authors have no conflict of interests to declare. Br J Oral Maxillofac Surg ; No evidence of regional lymphadenopathy or distant metastasis was found and a segmental resection of the maxilla along with wide excision of the surrounding soft tissues was performed.


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

The prognosis associated with AFS is good when treated with surgical resection [ 4 ]. Clin Oral Investig ;8: 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 fibrosarcoms.

Ameloblastic fibrosarcoma of the jaws – report of three cases. 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. It is defined as an odontogenic tumor composed of malignant ectomesenchyme in which variable quantities of a benign epithelial component can be seen.

Ameloblastic Fibrosarcoma of the Mandible: A Case Report and Brief Review of the Literature

Based on the findings, segregation among ameloblastic fibrosarcoma, ameloblastic fibrodentinosarcoma and ameloblastic fibro-odontosarcoma seems illogical, considering all these lesions have similar predilections and outcomes. It is regarded as the malignant counterpart of ameloblastic fibroma AF.

Acta Med Scand ; Clinical findings vary among reported cases but usually include pain and swelling. Dent Res J Isfahan ; Therefore, their role in early diagnosis of diseases especially malignancies is crucial.

Therefore, some investigators recommend a more aggressive treatment for ameloblastic fibromas as compared to previous procedures. Oral and Maxillofacial Pathology: Ameloblastic carcinosarcoma of the mandible arising in ameloblastic fibroma: Consent Written informed fibrosarcomx was obtained from the patient for publication of this case report and the accompanying images. CK was strongly positive in the odontogenic epithelium and negative in the mesenchymal component, while Vimentin was strongly positive in the mesenchymal component and negative in the odontogenic epithelium.


A clinicopathologic and DNA analysis of five cases and review of the literature with discussion of its relationship to ameloblastic fibroma.

Six of the eight lesions were considered as de novo malignancies; the remaining two were considered as malignant transformations of one AF and one ameloblastic fibro-odontoma. ameloblaetic

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Immunohistochemical studies may facilitate diagnosis of these lesions, given that Ki, PCNA and p53 were found expressed at higher levels within the sarcomatous component of the AFS, whereas they are absent or expressed at lower levels in AF 51262697989, fobrosarcoma, Dtsch Zahn Mund Kieferheilkd ;4: Report of a case of ameloblastic sarcoma. Report of two cases.

Pathology and Genetics of Head and Neck Tumours. Report of a case. No evidence of regional or distant metastasis was noted. Zur wertung und diagnostik der adamantinomartigen kiefertumoren. Clinicopathologic, histoenzymological and ultrastructural study. Moreover, there are few reports on the proliferative potential of AFS, based on cell cycle markers.