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colorectal polyps
Monday 15 March 2004
colorectal polyps, colonic polyp
Definition: Broadly speaking, the word "polyp" simply denotes any mucosal elevation. Polyps may consist of benign or malignant epithelial proliferations, inflammatory infiltrates localized in the lamina propria, or deeper, submucosalor intramural mesenchymal proliferations, malformations, or even metastatic tumors.
The three most common colorectal polyps are inflammatory, hyperplastic, and adenomatous.
Classification
- colorectal adenomas
- colonic tubular adenoma
- colonic villous adenoma
- colorectal hyperplastic polyp
- colorectal juvenile polyp
- colorectal Peutz-Jeghers polyp
- colorectal mixed hyperplastic adenomatous polyp
colorectal non-epithelial polyps
- colorectal inflammatory pseudopolyp
- colorectal lymphoid polyp
- colorectal lipomatous polyp
- colorectal neurofibromatosis
- colorectal metastasis / colonic metastasis
Images
endometrial stromal sarcoma ESS metastatic to colon
See also
colorectal lesions
colorectal tumors
