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The colorectal adenoma is a benign glandular tumor of the colon and the rectum. It is a precursor lesion of the colorectal adenocarcinoma ( colon cancer ). [ 1 ] [ 2 ] [ 3 ] They often manifest as colorectal polyps .
Neoplastic polyps of the bowel are often benign hence called adenomas. An adenoma is a tumor of glandular tissue, that has not (yet) gained the properties of cancer. [citation needed] The common adenomas of the colon (colorectal adenoma) are the tubular, tubulovillous, villous, and sessile serrated (SSA). [18]
An adenoma is a benign tumor of epithelial tissue with glandular origin, glandular characteristics, or both. Adenomas can grow from many glandular organs , including the adrenal glands , pituitary gland , thyroid , prostate , and others.
M8263/0 Tubulovillous adenoma, NOS villoglandular adenoma; Papillotubular adenoma; M8263/2 Adenocarcinoma in situ in tubulovillous adenoma; M8263/3 Adenocarcinoma in tubulovillous adenoma Papillotubular adenocarcinoma; Tubulopapillary adenocarcinoma; M8264/0 Papillomatosis, glandular Biliary papillomatosis (C22.1, C24.0) M8270/0 Chromophobe ...
McKittrick-Wheelock syndrome is an uncommon syndrome caused by large, villous adenomas that secrete high quantities of electrolyte-rich mucin. This may lead to pre-renal acute kidney injury, secretory diarrhea, and dehydration. It is estimated that 2-3% of large villous adenomas, typically greater than 4 cm in diameter, will present with this ...
A sessile serrated lesion (SSL) is a premalignant flat (or sessile) lesion of the colon, predominantly seen in the cecum and ascending colon.. SSLs are thought to lead to colorectal cancer through the (alternate) serrated pathway.
A precancerous condition is a condition, tumor or lesion involving abnormal cells which are associated with an increased risk of developing into cancer. [1] [2] [3] Clinically, precancerous conditions encompass a variety of abnormal tissues with an increased risk of developing into cancer.
Tubular adenomas (tube-like shape) are the most common of the adenomatous polyps; they may occur everywhere in the colon and they are the least likely colon polyps to develop into colon cancer; Tubulovillous; Villous adenomas are commonly found in the rectal area and they are normally larger in size than the other two types of adenomas.