| Health / Medical Topics |
Colorectal Sessile Serrated Adenoma/Polyp
A polyp that arises from the colon or rectum. It is characterized by the presence of serrated glands and the absence of generalized dysplasia. Some authors have suggested that it is a precursor lesion for some colorectal adenocarcinomas with microsatellite instability. (NCI Thesaurus)
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A rare, invasive colorectal adenocarcinoma characterized by the presence of a malignant infiltrate with serrated glandular architecture.
A schwannoma that arises from the colon or rectum. It may cause gastrointestinal bleeding and luminal obstruction.
A biphasic colorectal carcinoma with a spindle cell, sarcomatoid component.
A malignant mesenchymal neoplasm that arises from the colon or rectum. Representative examples include angiosarcoma, Kaposi sarcoma, and leiomyosarcoma.
The region that includes the colon and the rectum.
A polypoid lesion that arises from the colon or rectum and protrudes into the lumen. This group includes adenomatous polyps, serrated…
