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Difference between revisions of "Gastrointestinal tract polyps"
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Gastrointestinal tract polyps (view source)
Revision as of 02:50, 20 June 2010
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====Microscopic==== | ====Microscopic==== | ||
Features:<ref>{{Ref PBoD|859}}</ref><ref>[http://www.nature.com/modpathol/journal/v16/n4/fig_tab/3880773f4.html http://www.nature.com/modpathol/journal/v16/n4/fig_tab/3880773f4.html]</ref> | Features:<ref name=Ref_PBoD859>{{Ref PBoD|859}}</ref><ref>[http://www.nature.com/modpathol/journal/v16/n4/fig_tab/3880773f4.html http://www.nature.com/modpathol/journal/v16/n4/fig_tab/3880773f4.html]</ref> | ||
*Eroded, smooth or lobulated surface. | *Eroded, smooth or lobulated surface. | ||
*Pedunculated. | *Pedunculated. | ||
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===Peutz-Jeghers polyp=== | ===Peutz-Jeghers polyp=== | ||
====Clinical/Epidemiology==== | ====Clinical/Epidemiology==== | ||
Features:<ref | Features:<ref name=Ref_PBoD859/><ref>[http://www.nature.com/modpathol/journal/v16/n4/fig_tab/3880773f4.html http://www.nature.com/modpathol/journal/v16/n4/fig_tab/3880773f4.html]</ref> | ||
*Peutz-Jeghers syndrome is autosomal dominant. | *Peutz-Jeghers syndrome is autosomal dominant. | ||
*Altered gene: STK11. | *Altered gene: STK11. | ||
====Microscopy==== | ====Microscopy==== | ||
Features:<ref | Features:<ref name=Ref_PBoD859/><ref>[http://www.nature.com/modpathol/journal/v16/n4/fig_tab/3880773f4.html]</ref> | ||
*Frond-like polyp with all three components of mucosa: | *Frond-like polyp with all three components of mucosa: | ||
*# Muscosal epithelium (melanotic mucosa, goblet cells). | *# Muscosal epithelium (melanotic mucosa, goblet cells). | ||