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Difference between revisions of "Odontogenic tumours and cysts"
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Odontogenic tumours and cysts (view source)
Revision as of 18:46, 18 March 2013
, 18:46, 18 March 2013→Dentigerous cyst
m (→Radicular cyst) |
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===Microscopic=== | ===Microscopic=== | ||
Features: | Features: | ||
*Squamous epithelium | *Squamous epithelium. | ||
**Classically described as non-keratinized - in which case the diagnosis is straight forward - '''important'''. | |||
**Approximately half have keratin.<ref name=pmid9195629>{{Cite journal | last1 = Yoshiura | first1 = K. | last2 = Higuchi | first2 = Y. | last3 = Araki | first3 = K. | last4 = Shinohara | first4 = M. | last5 = Kawazu | first5 = T. | last6 = Yuasa | first6 = K. | last7 = Tabata | first7 = O. | last8 = Kanda | first8 = S. | title = Morphologic analysis of odontogenic cysts with computed tomography. | journal = Oral Surg Oral Med Oral Pathol Oral Radiol Endod | volume = 83 | issue = 6 | pages = 712-8 | month = Jun | year = 1997 | doi = | PMID = 9195629 }}</ref> | |||
*+/-Giant cells. | *+/-Giant cells. | ||
*+/-Cholesterol clefts. | *+/-Cholesterol clefts. | ||
| Line 99: | Line 101: | ||
DDx: | DDx: | ||
*[[Radicular cyst]] - history is the '''key''' to differentiate. | *[[Radicular cyst]] - history is the '''key''' to differentiate. | ||
*[[Keratocystic odontogenic tumour]] - | *[[Keratocystic odontogenic tumour]] - parakeratosis, ribbon like, (artefactual) clefting. | ||
Images: | Images: | ||