<a href="https://en.wikipedia.org/wiki/Micrograph" class="extiw" title="w:Micrograph">Micrograph</a> of a <b><a href="https://en.wikipedia.org/wiki/Keratocystic_odontogenic_tumour" class="extiw" title="w:Keratocystic odontogenic tumour">keratocystic odontogenic tumour</a></b> (KCOT), previously called <i>odontogenic keratocyst</i>. H&amp;E stain.
<p>Histology:
</p>
<ul><li><a href="https://en.wikipedia.org/wiki/stratified_squamous_epithelium" class="extiw" title="w:stratified squamous epithelium">Stratified squamous epithelium</a> with <a href="https://en.wikipedia.org/wiki/keratinization" class="extiw" title="w:keratinization">keratinization</a>.</li>
<li>Lack of <a href="https://en.wikipedia.org/wiki/rete_ridges" class="extiw" title="w:rete ridges">rete ridges</a> (typical of stratified squamous epithelium elsewhere).</li>
<li>Often have often have an artefactual separation from their basement membrane.</li>
<li>Parakeratosis (keratinized cells with nuclei) -- key feature.</li></ul><h2><span class="mw-headline" id="See_also">See also</span></h2>
<ul><li><a href="//commons.wikimedia.org/wiki/File:Keratocystic_odontogenic_tumour1.jpg" title="File:Keratocystic odontogenic tumour1.jpg">Image:Keratocystic odontogenic tumour1.jpg</a></li>
<li><a href="//commons.wikimedia.org/wiki/File:Keratocystic_odontogenic_tumour2.jpg" title="File:Keratocystic odontogenic tumour2.jpg">Image:Keratocystic odontogenic tumour2.jpg</a></li></ul>
<a href="//commons.wikimedia.org/wiki/User:Nephron" title="User:Nephron">Nephron</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>