Difference between revisions of "Odontogenic tumours and cysts"

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The general topic of ''head and neck pathology'' is covered in the ''[[head and neck pathology]]'' and ''[[head and neck cytopathology]]'' articles.  
The general topic of ''head and neck pathology'' is covered in the ''[[head and neck pathology]]'' and ''[[head and neck cytopathology]]'' articles.  


==Tooth histiology 101==
=Tooth histology 101=
Teeth develop from a combination of:
Teeth develop from a combination of:
#Epithelium (downward growth).
#Epithelium (downward growth).
#Mesenchyme.
#Mesenchyme.


===Identifying stuff===
==Identifying stuff==
Pulp:
Pulp:
*Paucicellular.
*Paucicellular.
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*"Fish scale" appearance.
*"Fish scale" appearance.


==Enamel 101==
===Enamel 101===
*Arises from ''reduced enamel epithelium''.
*Arises from ''reduced enamel epithelium''.


===Reduced enamel epithelium===
====Reduced enamel epithelium====
====Microscopic====
=====Microscopic=====
Features:
Features:
*Bilayered epithelium consisting of:
*Bilayered epithelium consisting of:
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*Transforms into squamous epithelium. (???)
*Transforms into squamous epithelium. (???)


=Specific entities=
==Odontoma==
==Odontoma==
===General===
===General===
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*Most common odontogenic tumour - considered to be a [[hamartoma]].<ref name=pmid20533004/>
*Most common odontogenic tumour - considered to be a [[hamartoma]].<ref name=pmid20533004/>
*Etiology unknown.<ref name=pmid22629054>{{Cite journal  | last1 = Yadav | first1 = M. | last2 = Godge | first2 = P. | last3 = Meghana | first3 = SM. | last4 = Kulkarni | first4 = SR. | title = Compound odontoma. | journal = Contemp Clin Dent | volume = 3 | issue = Suppl 1 | pages = S13-5 | month = Apr | year = 2012 | doi = 10.4103/0976-237X.95095 | PMID = 22629054 }}</ref>
*Etiology unknown.<ref name=pmid22629054>{{Cite journal  | last1 = Yadav | first1 = M. | last2 = Godge | first2 = P. | last3 = Meghana | first3 = SM. | last4 = Kulkarni | first4 = SR. | title = Compound odontoma. | journal = Contemp Clin Dent | volume = 3 | issue = Suppl 1 | pages = S13-5 | month = Apr | year = 2012 | doi = 10.4103/0976-237X.95095 | PMID = 22629054 }}</ref>
*Typically first two decades of life.


Classification:<ref name=pmid20533004/>
Classification:<ref name=pmid20533004/>
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*Paucicellular lesion with pale staining.
*Paucicellular lesion with pale staining.


==See also==
=See also=
*[[Bone tumours]].
*[[Bone tumours]].
*[[Head and neck pathology]].
*[[Head and neck pathology]].
*[[Head and neck cytopathology]].
*[[Head and neck cytopathology]].


==References==
=References=
{{reflist|2}}
{{reflist|2}}


==External==
=External=
*[http://www.oralpath.org/gallery/cyst_diagrams.htm Oral cavity and jaw cysts - schematic representations (oralpath.org)].
*[http://www.oralpath.org/gallery/cyst_diagrams.htm Oral cavity and jaw cysts - schematic representations (oralpath.org)].


[[Category:Head and neck pathology]]
[[Category:Head and neck pathology]]