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Indian Journal of Pathology and Oncology


Giant Plexiform Unicystic Ameloblastoma: A rare variant of Ameloblastoma


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Author Details: Yashita Gupta, Mohd. Jafar Memon, Nighat Hussain, Renuka Gahine

Volume : 3

Issue : 3

Online ISSN : 2394-6792

Print ISSN : 2394-6784

Article First Page : 522

Article End Page : 525


Abstract

Ameloblastoma is the most common clinically significant odontogenic tumor of the gnathic bones, characterized as a benign but persistent and locally aggressive neoplasm. According to the WHO, it presents in four forms: unicystic, multicystic, peripheral (within soft tissue), and desmoplastic, with the conventional solid intra-osseous type being the most common (86%). Microscopically, many subtypes or patterns have been described: follicular, plexiform, acanthomatous, papilliferous–keratotic (including so-called keratoameloblastoma), granular cell, desmoplastic, vascular, and with dentinoid induction (dentinoameloblastoma). This report describes a case of a giant unicystic ameloblastoma involving the left side of the mandible. Radiographically appearing as a unilocular radiolucency and non-dentigerous in nature. Histopathological analysis showed features of plexiform pattern of a unicystic ameloblastoma.

Keywords:
Ameloblastoma, Odontogenic neoplasm, Unicytic, Plexiform