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An Official Publication of the Indian Association of Oral and Maxillofacial Pathologists


 
CASE REPORT Table of Contents   
Year : 2022  |  Volume : 26  |  Issue : 4  |  Page : 583-588
Unicystic desmoplastic osteo-ameloblastoma of posterior mandible: Report of rarest of the rare case and review of literature


1 Department of Oral and Maxillofacial Surgery, College of Dental Sciences and Research Centre, Manipur, Ahmedabad, Gujarat, India
2 Department of Oral and Maxillofacial Pathology, College of Dental Sciences and Research Centre, Manipur, Ahmedabad, Gujarat, India

Correspondence Address:
Setu P Shah
202, Dev Aryan Apt., Thakore Park Soc., New Vikas Gruh Road, Mahalaxmi, Paldi, Ahmedabad - 380 007, Gujarat
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/jomfp.jomfp_20_22

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Desmoplastic ameloblastoma (DA) is an epithelial odontogenic tumor and a rare variant of ameloblastoma. It was first described by Eversole in 1984. In the World Health Organization (WHO) classification of odontogenic tumors (2005), DA has been considered as a distinct entity from conventional/multicystic ameloblastoma. DA differs strikingly in its clinical, radiological, and histopathological presentation when compared to other variants of ameloblastoma. We report here an extremely rare “Hybrid DA” in a 50-year-old female patient with painless hard swelling involving right posterior mandible with detailed clinical history, an unusual radiographic and histopathological presentation. Histopathology revealed odontogenic epithelium in the form of follicles, ameloblastoma with cystic degeneration, and squamous metaplasia at places and elsewhere there were odosntogenic islands compressed by dense fibrocellular stroma suggestive of desmoplasia along with osseous tissue formation. Also review of the literature and possible explanation of etiopathogenesis of cystic change and osseous tissue formation in DA are discussed.


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