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Difference between revisions of "Gastrointestinal tract polyps"
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Gastrointestinal tract polyps (view source)
Revision as of 16:13, 16 December 2011
, 16:13, 16 December 2011→Overview in two tables
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| '''Image''' | | '''Image''' | ||
|- | |- | ||
| Sessile serrated adenoma (SSA) | | [[Sessile serrated adenoma]] (SSA) | ||
| basal crypt dilation & serration | | basal crypt dilation & serration | ||
| boot-shaped crypts, horizontal crypts, branching crypts | | boot-shaped crypts, horizontal crypts, branching crypts | ||
| Line 126: | Line 126: | ||
| [http://commons.wikimedia.org/wiki/File:Sessile_serrated_adenoma_2_low_mag.jpg SSA - low mag. (WC)] | | [http://commons.wikimedia.org/wiki/File:Sessile_serrated_adenoma_2_low_mag.jpg SSA - low mag. (WC)] | ||
|- | |- | ||
| Traditional serrated adenoma (TSA) | | [[Traditional serrated adenoma]] (TSA) | ||
| nuclear hyperchromasia & pseudostratification / crowding at the surface, serrated, villous-like architecture | | nuclear hyperchromasia & pseudostratification / crowding at the surface, serrated, villous-like architecture | ||
| decreased goblet cells | | decreased goblet cells | ||
| Line 134: | Line 134: | ||
| [http://commons.wikimedia.org/wiki/File:Traditional_serrated_adenoma_low_mag.jpg TSA - low mag. (WC)], [http://commons.wikimedia.org/wiki/File:Traditional_serrated_adenoma_very_high_mag.jpg TSA - high mag. (WC)] | | [http://commons.wikimedia.org/wiki/File:Traditional_serrated_adenoma_low_mag.jpg TSA - low mag. (WC)], [http://commons.wikimedia.org/wiki/File:Traditional_serrated_adenoma_very_high_mag.jpg TSA - high mag. (WC)] | ||
|- | |- | ||
| Juvenile polyp (retention polyp) | | [[Juvenile polyp]] (retention polyp) | ||
| dilated glands, increased lamina propria | | dilated glands, increased lamina propria | ||
| eroded surface (due to trauma), stalk (polypoid), inflammation - common | | eroded surface (due to trauma), stalk (polypoid), inflammation - common | ||
| Line 142: | Line 142: | ||
| [http://commons.wikimedia.org/wiki/File:Gastric_juvenile_polyp_-_very_low_mag.jpg Gastric JP - low mag. (WC)] | | [http://commons.wikimedia.org/wiki/File:Gastric_juvenile_polyp_-_very_low_mag.jpg Gastric JP - low mag. (WC)] | ||
|- | |- | ||
| Inflammatory pseudopolyp | | [[Inflammatory pseudopolyp]] | ||
| inflammation, erosion/ulceration adjacent to polyp | | inflammation, erosion/ulceration adjacent to polyp | ||
| loss of mucosa adjacent to pseudopolyp | | loss of mucosa adjacent to pseudopolyp | ||
| Line 150: | Line 150: | ||
| Image | | Image | ||
|- | |- | ||
| Peutz-Jeghers polyp (PJP) | | [[Peutz-Jeghers polyp]] (PJP) | ||
| branching smooth muscle | | branching smooth muscle | ||
| tree-like growth pattern | | tree-like growth pattern | ||