Mandible / maxilla – Malignant tumors: ameloblastic fibrosarcoma. 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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A year-old female presented with one month history of right mandibular mass. The prognosis associated with AFS is good when treated with surgical resection [ 4 ]. In this article, we reported a case of maxillary AFS. Case Report A year-old female presented with a 2-month history of an asymptomatic swelling in her left mandible.

AFS is a highly recurrent lesion. Panoramic radiographs demonstrated an ill-defined unilocular radiolucent lesion in the left posterior region of maxilla and the left maxillary sinus was totally obliterated.

Maryam Khalili 1 and Pouyan Amini Shakib 2. Although the immunohistochemical profile of this neoplasm was identical to the one described in the literature and helped to establish the diagnosis, we agree with Kobayashi and most authors, and believe the diagnosis is essentially made by histology.

Computerized tomography CT scan showed a large destructive mass. Lectures on certain diseases of the jaws. Please review our privacy policy.


Adjuvant radiotherapy has been used with no evidence of recurrence [ 9 ]. World Health Organization Classification of Tumours: Please review our privacy policy. A diagnosis of AFS was rendered. Malignant transformation of ameloblastic fibroma to ameloblastic fibrosarcoma: In general, the treatment of choice is surgical excision with clear margins and long-term follow-up.

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AFS is a locally aggressive malignant tumor, with regional and distant metastases being uncommon. AFS was first reported by Heath in describing it as a spindle cell sarcoma that also had epithelial cells resembling the cells of the enamel organ [ 5 ]. A biopsy of the mass was performed. Published online Mar In view of these histopathological and immunohistochemistry findings, an AFS was diagnosed.

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

The final histopathological diagnosis was identical to that of the incisional biopsy and an AFS was confirmed. Annals of Diagnostic Pathology. Microscopically, the bland epithelial component of AFS is similar to that seen in ameloblastic fibroma, although it is frequently less prominent. Click here for information on linking ameloblastiv our website or using our content or images.

The clinical, radiographic, and histopathological sardoma were described in addition to the patient’s management and present status.

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

The duration of symptoms varies widely from a few weeks up to 2 years [ 7 ]. Home About Us Advertise Amazon. This is an open-access article distributed under the terms of the Creative Commons Attribution-Noncommercial-Share Alike 3. Intraoral view shows buccal and palatal expansion in the left maxillary region and the exophytic ulcerated mass. Ameloblastic fibrosarcoma AFS is a rare malignant odontogenic tumor.


Clinicopathologic, histoenzymological and ultrastructural study. Also, the extraction site of the second and third molar was filled with an irregular exophytic ulcerated mass which bled easily on palpation [ Figure 1 ].

Low grade malignant neoplasm. The mesenchymal component consists of plump and spindle stromal cells which show mild to moderate cytologic atypia and numerous mitotic figures [ 11 ].

Abstract Ameloblastic fibrosarcoma is an uncommon odontogenic tumor composed of a benign epithelial component and a malignant ectomesenchymal component most frequently seen in the third and fourth decades of life. Journal List Case Rep Pathol v. Received May; Accepted Nov. As expected, the pain persisted and finro of the extraction site was not normal. He performed an incisional biopsy and sent it to a general pathology service for histopathologic examination.