Hybrid Desmoplastic/Follicular Ameloblastoma of the Mandible: A Case Report and Review of the Literature

Desmoplastic ameloblastoma (DA) is one of the 6 histopathological subtypes of ameloblastoma. Hybrid lesions in which histopathologically conventional ameloblastoma coexists with areas of DA are rare. A 40-year-old male was referred to our hospital complaining of a swelling in the right premolar regi...

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Bibliographic Details
Published in:Case reports in pathology 2017-01, Vol.2017 (2017), p.1-6
Main Authors: Kondo, Gen, Onaka, Eriko, Saida, Naoyuki, Tanaka, Yoko, Fukuoka, Airi, Iwase, Masayasu, Bando, Sanae
Format: Article
Language:English
Subjects:
Care and treatment
Case Report
Case studies
Diagnosis
Epithelial tumors
Jaw diseases
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Summary:Desmoplastic ameloblastoma (DA) is one of the 6 histopathological subtypes of ameloblastoma. Hybrid lesions in which histopathologically conventional ameloblastoma coexists with areas of DA are rare. A 40-year-old male was referred to our hospital complaining of a swelling in the right premolar region of the mandible. A panoramic radiograph showed an area of radiolucency with a well-defined corticated border, whereas computed tomography revealed a unilocular radiolucent lesion and buccal expansion together with cortical perforation. The lesion was treated via enucleation and curettage of the marginal bone and fenestration. A histopathological examination showed a hybrid ameloblastoma with a pronounced desmoplastic pattern and follicular changes. The patient’s postoperative course has been favorable up to now, and no marked changes have been observed. We presented a case of hybrid ameloblastoma and reviewed the 36 reported cases of hybrid ameloblastoma that have been reported in the English literature.
ISSN:2090-6781
2090-679X
DOI:10.1155/2017/7031414