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Difference between revisions of "Gastrointestinal tract polyps"
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Gastrointestinal tract polyps (view source)
Revision as of 18:17, 21 November 2013
, 18:17, 21 November 2013→Colorectal adenocarcinoma
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There is cribriforming of glands and epithelial budding. Plump spindle cells with eosinophilic cytoplasm surround the abnormal epithelium (desmoplastic stroma). No definite submucosa is identified; the diagnosis is based on the stromal desmoplasia. | There is cribriforming of glands and epithelial budding. Plump spindle cells with eosinophilic cytoplasm surround the abnormal epithelium (desmoplastic stroma). No definite submucosa is identified; the diagnosis is based on the stromal desmoplasia. | ||
=====Suspicious===== | |||
The sections shows multiple fragments of colorectal-type mucosa with a tubule-forming and villous-forming epithelium that has cellular pseudostratification and enlarged hyperchromatic nuclei, from | |||
the crypt base to the luminal aspect (dysplasia). | |||
Cribriforming of glands is identified at multiple foci. Goblet cells are rare in the | |||
dysplastic epithelium. | |||
One fragment of tissue, measuring approximately 2 millimetres, has increased numbers of plump stromal cells (desmoplastic response); this is suspicious for invasive adenocarcinoma. | |||
=Hamartomatous polyps= | =Hamartomatous polyps= | ||