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Difference between revisions of "Colorectal tumours"
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→Staging of colorectal cancer
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==Staging of colorectal cancer== | ==Staging of colorectal cancer== | ||
*"Adenocarcinoma in situ" and "high-grade dysplasia" is used interchangeably by many in the colon and rectum. | *"Adenocarcinoma in situ" and "high-grade dysplasia" is used interchangeably by many in the colon and rectum. | ||
**Splitting hairs - ''adenocarcinoma in situ'' is ''invasion into the lamina propria'', high-grade dysplasia does not have lamina propria invasion. Ergo, the difference | **Splitting hairs - ''adenocarcinoma in situ'' is ''invasion into the lamina propria'', high-grade dysplasia does not have lamina propria invasion. Ergo, the difference amounts to seeing a [[desmoplastic stroma]] (adenocarcinoma) or not seeing one (dysplasia). | ||
Staging of tumours: | Staging of tumours: | ||