WebColorectal surgery is a field in medicine dealing with disorders of the rectum, anus, and colon. The field is also known as proctology, but this term is now used infrequently within medicine and is most often employed to identify practices relating to the anus and rectum in particular. [clarification needed] The word proctology is derived from the Greek words …

WebColorectal cancer (CRC), also known as bowel cancer, colon cancer, or rectal cancer, is the development of cancer from the colon or rectum (parts of the large intestine). Signs and symptoms may include blood in the stool, a change in bowel movements, weight loss, and fatigue.Most colorectal cancers are due to old age and lifestyle factors, with only a small …

WebExcision surgery names often start with a name for the organ to be excised (cut out) and end in -ectomy.; Procedures involving cutting into an organ or tissue end in -otomy.A surgical procedure cutting through the abdominal wall to gain access to the abdominal cavity is a laparotomy.; Minimally invasive procedures, involving small incisions through which …

WebA colorectal polyp is a polyp (fleshy growth) occurring on the lining of the colon or rectum. Untreated colorectal polyps can develop into colorectal cancer.. Colorectal polyps are often classified by their behaviour (i.e. benign vs. malignant) or cause (e.g. as a consequence of inflammatory bowel disease).They may be benign (e.g. hyperplastic …

WebVascular surgery is a surgical subspecialty in which diseases of the vascular system, or arteries, veins and lymphatic circulation, are managed by medical therapy, minimally-invasive catheter procedures and surgical reconstruction. The specialty evolved from general and cardiac surgery and includes treatment of the body's other major and …

WebHereditary nonpolyposis colorectal cancer (HNPCC) or Lynch syndrome is an autosomal dominant genetic condition that is associated with a high risk of colon cancer as well as other cancers including endometrial cancer (second most common), ovary, stomach, small intestine, hepatobiliary tract, upper urinary tract, brain, and skin. The increased risk for …

WebFamilial adenomatous polyposis (FAP) is an autosomal dominant inherited condition in which numerous adenomatous polyps form mainly in the epithelium of the large intestine.While these polyps start out benign, malignant transformation into colon cancer occurs when they are left untreated. Three variants are known to exist, FAP and …

WebIn contrast to hyperplastic polyps, these display dysplasia. [citation needed]Tubulovillous adenoma. Tubulovillous adenoma, TVA are considered to have a higher risk of becoming malignant than tubular adenomas.. Villous adenoma. These adenomas may become malignant ().Villous adenomas have been demonstrated to contain malignant portions in …

WebUlcerative colitis (UC) is a long-term condition that results in inflammation and ulcers of the colon and rectum. The primary symptoms of active disease are abdominal pain and diarrhea mixed with blood (hematochezia). Weight loss, fever, and anemia may also occur. Often, symptoms come on slowly and can range from mild to severe. Symptoms typically occur …

WebMicrosatellite instability (MSI) is the condition of genetic hypermutability (predisposition to mutation) that results from impaired DNA mismatch repair (MMR). The presence of MSI represents phenotypic evidence that MMR is not functioning normally.. MMR corrects errors that spontaneously occur during DNA replication, such as single base mismatches or …