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Difference between revisions of "Odontogenic tumours and cysts"
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→Keratocystic odontogenic tumour
(→Keratocystic odontogenic tumour: +abbrev.) |
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==Keratocystic odontogenic tumour== | ==Keratocystic odontogenic tumour== | ||
*Abbreviation ''KOT''. | *Abbreviation ''KOT''. | ||
*Previously known as ''odontogenic keratocyst''.<ref name=pmid18353202>{{Cite journal | last1 = Madras | first1 = J. | last2 = Lapointe | first2 = H. | title = Keratocystic odontogenic tumour: reclassification of the odontogenic keratocyst from cyst to tumour. | journal = J Can Dent Assoc | volume = 74 | issue = 2 | pages = 165-165h | month = Mar | year = 2008 | doi = | PMID = 18353202 }}</ref> | |||
===General=== | ===General=== | ||
*May be associated with ''[[nevoid basal cell carcinoma syndrome]]''. | *May be associated with ''[[nevoid basal cell carcinoma syndrome]]''. | ||
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*Stratified epithelium resembling squamous epithelium - typically 8-10 cell layers thick - with relatively uniform thickness ("ribbon-like appearance"). | *Stratified epithelium resembling squamous epithelium - typically 8-10 cell layers thick - with relatively uniform thickness ("ribbon-like appearance"). | ||
*Artefactual separation of epithelium from the basement membrane. | *Artefactual separation of epithelium from the basement membrane. | ||
*Parakeratosis (keratinized cells with nuclei) | *Parakeratosis (keratinized cells with nuclei) - '''key feature'''. | ||
*Palisaded basal cell layer. | *Palisaded basal cell layer. | ||
*Lacks [[rete ridges]]. | *Lacks [[rete ridges]]. | ||