Pie chart of <a href="https://en.wikipedia.org/wiki/" class="extiw" title="en:">Colorectal polyp|colorectal polyp</a> etiologies
<div class="thumb tright"><div class="thumbinner" style="width:137px;"><a href="//commons.wikimedia.org/wiki/File:Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_(crop).jpg" class="image"><img src="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg/135px-Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg" decoding="async" width="135" height="159" class="thumbimage" srcset="https://upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg/203px-Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg 1.5x, https://upload.wikimedia.org/wikipedia/commons/thumb/f/f1/Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg/270px-Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_%28crop%29.jpg 2x" data-file-width="1439" data-file-height="1697"></a>  <div class="thumbcaption"><div class="magnify"><a href="//commons.wikimedia.org/wiki/File:Mikael_H%C3%A4ggstr%C3%B6m_at_pathology_in_2019_(crop).jpg" class="internal" title="Amplia"></a></div><a href="//commons.wikimedia.org/wiki/User:Mikael_H%C3%A4ggstr%C3%B6m" title="User:Mikael Häggström">Mikael Häggström</a>, <a href="https://en.wikipedia.org/wiki/Medical_Doctor" class="extiw" title="en:Medical Doctor">M.D.</a> <a href="//commons.wikimedia.org/wiki/Mikael_H%C3%A4ggstr%C3%B6m" class="mw-redirect" title="Mikael Häggström">Author info</a><br> - <a href="//commons.wikimedia.org/wiki/User:Mikael_H%C3%A4ggstr%C3%B6m#Reusing_images" title="User:Mikael Häggström">Reusing images</a><br>- Conflicts of interest:<br>  None</div></div></div>
<a href="//commons.wikimedia.org/wiki/User:Mikael_H%C3%A4ggstr%C3%B6m" title="User:Mikael Häggström">Mikael Häggström</a>, <a href="https://en.wikipedia.org/wiki/Medical_Doctor" class="extiw" title="en:Medical Doctor">M.D.</a>
2019-09-27
<p><span class="noprint plainlinks"><a class="external text" href="https://commons.wikimedia.org/w/index.php?title=Template:Pie_chart_of_colorectal_polyp_etiologies_-_Source&amp;action=edit">edit</a></span><br><span class="int-own-work" lang="en">Own work</span>
</p>
<h3><span class="mw-headline" id="References">References</span></h3>
<p>Relative incidences:
</p>
<ul><li><cite style="font-style:normal"> (2017). "Epidemiological aspects of endoscopic resections of colorectal polyps in patients at an endoscopy training center in the Santos region, Brasil". <i>Rev Gastroenterol Peru</i> <b>37</b> (1): 47–52. <a href="https://en.wikipedia.org/wiki/PMID" class="extiw" title="w:PMID">PMID</a> <a rel="nofollow" class="external text" href="https://www.ncbi.nlm.nih.gov/pubmed/28489836">28489836</a>.</cite></li></ul><p>Malignancy risks:
</p>
<ul><li>Tubular adenoma: 2% at 1.5cm - Minhhuyen Nguyen. <a rel="nofollow" class="external text" href="https://www.msdmanuals.com/professional/gastrointestinal-disorders/tumors-of-the-gastrointestinal-tract/polyps-of-the-colon-and-rectum">Polyps of the Colon and Rectum</a>. <i><a href="//commons.wikimedia.org/w/index.php?title=MSD_Manual&amp;action=edit&amp;redlink=1" class="new" title="MSD Manual (page does not exist)">MSD Manual</a></i>. Last full review/revision June 2019</li>
<li>Tubulovillous adenoma: <b>20%</b> to <b>25%</b> - <cite style="font-style:normal"> (2005). "Colorectal Cancer: Epidemiology, Risk Factors, and Health Services". <i>Clinics in Colon and Rectal Surgery</i> <b>18</b> (03): 133–140. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1055/s-2005-916274">10.1055/s-2005-916274</a>. <a href="https://en.wikipedia.org/wiki/International_Standard_Serial_Number" class="extiw" title="en:International Standard Serial Number">ISSN</a> <a rel="nofollow" class="external text" href="https://www.worldcat.org/issn/1531-0043">1531-0043</a>.</cite></li>
<li>Villous adenoma:</li></ul><dl><dd><ul><li><b>15%</b> - Alnoor Ramji. <a rel="nofollow" class="external text" href="https://emedicine.medscape.com/article/170283-followup#e3">Villous Adenoma Follow-up</a>. <i>Medscape</i>. Updated: Oct 24, 2016&lt;/ref&gt;</li>
<li><b>40%</b> - <cite style="font-style:normal"> (2005). "Colorectal Cancer: Epidemiology, Risk Factors, and Health Services". <i>Clinics in Colon and Rectal Surgery</i> <b>18</b> (03): 133–140. <a href="https://en.wikipedia.org/wiki/Digital_object_identifier" class="extiw" title="w:Digital object identifier">DOI</a>:<a rel="nofollow" class="external text" href="https://doi.org/10.1055/s-2005-916274">10.1055/s-2005-916274</a>. <a href="https://en.wikipedia.org/wiki/International_Standard_Serial_Number" class="extiw" title="en:International Standard Serial Number">ISSN</a> <a rel="nofollow" class="external text" href="https://www.worldcat.org/issn/1531-0043">1531-0043</a>.</cite></li></ul></dd></dl>