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− | Also known as: '''''Acanthomatous epulis — Peripheral ameloblastomas — Basal cell carcinomas — Adamantinomas | + | Also known as: '''''Acanthomatous Epulis — Peripheral Ameloblastoma — Basal Cell Carcinoma — Adamantinoma |
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| ==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. |
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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''': |
| + | 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. |
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| ==Treatment== | | ==Treatment== |
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| Good following complete surgical excision. | | Good following complete surgical excision. |
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− | ==Literature Search==
| + | {{Learning |
− | [[File:CABI logo.jpg|left|90px]]
| + | |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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− | 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] | |
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| ==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]] |
| + | [[Category:Teeth_-_Proliferative_Pathology]] |