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Acanthomatous Ameloblastoma (view source)
Revision as of 23:23, 12 October 2011
, 23:23, 12 October 2011no edit summary
Also known as: '''''Acanthomatous epulis — Peripheral ameloblastomas — Basal cell carcinomas — Adamantinomas
Also known as: '''''Acanthomatous Epulis — Peripheral Ameloblastoma — Basal Cell Carcinoma — Adamantinoma
==Description==
==Description==
[[Image:ameloblastoma.gif|right|thumb|200px|<small><center>Ameloblastoma (Courtesy of Alun Williams (RVC))</center></small>]]
This is a benign but locally invasive odontogenic tumour that appears in the [[Gingiva|gingiva]], often surrounding and displacing the adjacent teeth. The lesions have a raised and cauliflower appearance and are slow growing. Eventually the lesions can become very large and involve the jaw bone.
This is a benign but locally invasive odontogenic tumour that appears in the [[Gingiva|gingiva]], often surrounding and displacing the adjacent teeth. The lesions have a raised and cauliflower appearance and are slow growing. Eventually the lesions can become very large and involve the jaw bone.
===Biopsy===
===Biopsy===
Required for a definitive diagnosis and incisional biopsy is the technique of choice. When undertaking cytological or grab procedures it is more difficult to obtain a representative sample.
Required for a definitive diagnosis and incisional biopsy is the technique of choice. When undertaking cytological or grab procedures it is more difficult to obtain a representative sample.
'''Pathology''':
Islands and sheets of mature odontogenic epithelium within a collagenous fibrous connective tissue stroma of low/moderate cellularity will be noticed. Each of the islands is bounded by a row of tall columnnar cells. These palisading cells exhibit polarisation away from the basement membrane and have cytoplasmic vacuolation. Central cells have a basaloid appearance. The tumour is often infiiltrating into the underlying bone.
==Treatment==
==Treatment==
Good following complete surgical excision.
Good following complete surgical excision.
{{Learning
|literature search = [http://www.cabdirect.org/search.html?q=title%3A%28%22Acanthomatous+Ameloblastoma%22%29+OR+title%3A%28%22Acanthomatous+epulis%22%29+OR+title%3A%28%22Peripheral+ameloblastoma%22%29+OR++title%3A%28Adamantinoma%29 Acanthomatous Ameloblastoma publications]
}}
[http://www.cabdirect.org/search.html?q=title%3A%28%22Acanthomatous+Ameloblastoma%22%29+OR+title%3A%28%22Acanthomatous+epulis%22%29+OR+title%3A%28%22Peripheral+ameloblastoma%22%29+OR++title%3A%28Adamantinoma%29 Acanthomatous Ameloblastoma publications]
==References==
==References==
Merck & Co (2008) '''The Merck Veterinary Manual'''
Merck & Co (2008) '''The Merck Veterinary Manual'''
With thanks to Andrew Jefferies (Cambridge) and Alun Williams (RVC) for providing access to their lecture materials
[[Category:Oral Diseases - Cat]]
[[Category:Oral Diseases - Cat]]
[[Category:Expert_Review - Small Animal]]
[[Category:Expert_Review - Small Animal]]
[[Category:Teeth_-_Proliferative_Pathology]]