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Difference between revisions of "Gastrointestinal tract polyps"
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Gastrointestinal tract polyps (view source)
Revision as of 03:12, 27 September 2011
, 03:12, 27 September 2011→Juvenile polyp: re-arr.
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==Juvenile polyp== | ==Juvenile polyp== | ||
*[[AKA]] ''retension polyp'' in adults. | |||
===General=== | ===General=== | ||
May be part of a syndrome: | May be part of a syndrome: | ||
*[[Juvenile polyposis syndrome]] (JPS) - JPS article for criteria. | *[[Juvenile polyposis syndrome]] (JPS) - see JPS article for criteria. | ||
*[[Cronkhite-Canada syndrome]]. | *[[Cronkhite-Canada syndrome]]. | ||
*[[Cowden syndrome]]. | *[[Cowden syndrome]]. | ||
| Line 432: | Line 431: | ||
Notes: | Notes: | ||
* | *May have nuclear changes like those seen in adenomatous polyps. | ||
* | DDx: | ||
*Inflammatory polyp. | |||
Images: | Images: | ||
| Line 441: | Line 441: | ||
*[http://commons.wikimedia.org/wiki/File:Gastric_juvenile_polyp_-_2_-_very_low_mag.jpg Juvenile polyp of the stomach - very low mag. (WC)]. | *[http://commons.wikimedia.org/wiki/File:Gastric_juvenile_polyp_-_2_-_very_low_mag.jpg Juvenile polyp of the stomach - very low mag. (WC)]. | ||
===IHC=== | |||
* | *Usually none. | ||
Notes: | |||
*IHC can be used if it is suspected to have dysplasia (p53, Ki-67). | |||
**p53 mutations in dysplastic epithelium -- negative stain (normal). | |||
==Peutz-Jeghers polyp== | ==Peutz-Jeghers polyp== | ||