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Also known as: '''''Acanthomatous epulis — Peripheral ameloblastomas — Basal cell carcinomas Adamantinomas
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Also known as: '''''Acanthomatous Epulis — Peripheral Ameloblastoma — Basal Cell Carcinoma Adamantinoma
    
==Description==  
 
==Description==  
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[[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.   
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===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.
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'''Pathology''':
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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==
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Good following complete surgical excision.
 
Good following complete surgical excision.
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==Literature Search==
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{{Learning
[[File:CABI logo.jpg|left|90px]]
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|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]
 
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}}
 
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Use these links to find recent scientific publications via CAB Abstracts (log in required unless accessing from a subscribing organisation).
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<br><br><br>
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[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==
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Merck & Co (2008) '''The Merck Veterinary Manual'''
 
Merck & Co (2008) '''The Merck Veterinary Manual'''
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With thanks to Andrew Jefferies (Cambridge) and Alun Williams (RVC) for providing access to their lecture materials
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[[Category:Oral Diseases - Cat]]
 
[[Category:Oral Diseases - Cat]]
 
[[Category:Expert_Review - Small Animal]]
 
[[Category:Expert_Review - Small Animal]]
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[[Category:Teeth_-_Proliferative_Pathology]]
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