Polyp

Polyp: A mass of tissue that develops on the inside wall of a hollow organ, as within the colon or rectum. The word polyp comes from the Greek words polys, many + pous, feet. The idea that a polyp has many feet is erroneous.
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Polyp
Related Category: Pathology
in medicine, a benign tumor occurring in areas lined with mucous membrane such as the nose, gastrointestinal tract (especially the colon), and the uterus. Some polyps are pedunculated tumors, i.e.
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Gallbladder polyps are growths that protrude from the lining of the gallbladder. They're rarely cancerous (malignant). Gallbladder polyps usually cause no signs or symptoms and need no treatment.
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Polyps of the colon and rectum are usually benign and produce no symptoms, but they may cause painless rectal bleeding. There may be single or multiple polyps and they become more common as people age.
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Polyps may cause painless rectal bleeding. They should be removed when discovered and the tissue sent to the lab for tests. Polyps are not immediately harmful but they are considered to be precancerous tumors.
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Polyps are removed surgically. Often, the doctor can remove polyps during a colonoscopy. This is done by cutting the polyp from the wall of the colon using an electrical current passed through a wire loop at the end of the colonoscope.
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Polyps usually form from constant irritation of the ear canal or eardrum. External ear infections, called chronic otitis externa, are the most common cause of this irritation.
What are the causes and risks of the condition?
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Polyphagia can be intermittent or persistent, depending on the cause. It may or may not result in weight gain.
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Polyps reappear as long as the allergic irritation continues.
Prevention
If aspirin is the cause, all aspirin containing medications must be avoided.
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COLON POLYPS - A pedunculated growth from the mucosal lining of the colon. Most are benign but have the potential to become malignant (cancer). Can present clinically with blood in the stools.
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Hereditary non-polyposis colorectal cancer
Dr Trisha Macnair
In Britain about one person in 50 will develop cancer of the bowel during their lifetime, and one in 50 of these will have hereditary non-polyposis colorectal cancer (HNPCC).
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Polyps—Polyps are growths that protrude from the inner wall of the colon or rectum. They are relatively common in people over age 50.
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Polyphenols are already recognised as having antioxidant benefits and as being helpful in the battle against illnesses such as heart disease and cancer, ...
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Polyp
A lump of tissue protruding from the lining of an organ, such as the nose, bladder, or intestine. Polyps can sometimes block the passages in which they are found.
Prostaglandin ...
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POLYPEPTIDE: See Peptide.
POLYSACCHARIDE: A complex carbohydrate such as cellulose, starch, or glycogen.
POLYVALENT VACCINE: A vaccine that is active against multiple viral strains.
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PolyphenonE An extract of green tea. Two formulations (cream and ointment) are being investigated in phase III trials for the topical treatment of external genital warts caused by human papillomavirus (HPV).
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Nasal polyps: Generally when the nose is clogged, the cause is a heavy cold or possibly chronic catarrh. But it can be nasal polyps.
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Bowel polyps are a problem in older people. They have been linked to bowel cancer. This article outlines the risks of polyps and surgery to remove them.
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nasal polyps
clubbing of fingers and toes (a condition marked by the ends of the fingers and toes become enlarged; more prevalent in the fingers)
pneumothorax (the presence of air or gas in the plural cavity causing the lung to collapse) ...
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familial polyposis (pah-li-PO-sis)
An inherited condition in which numerous polyps (growths that protrude from mucous membranes) form on the inside walls of the colon and rectum. It increases the risk of colorectal cancer.
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Intestinal polyps, abnormal growths that may occur anywhere in the GI tract, are most often found in the large intestine. Though they generally cause no symptoms, a major sign is rectal bleeding.
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unusual growth, polyp, tumor, or cancer
Male and female urinary tracts ...
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Screen for colon polyps or colorectal cancer. Most medical experts recommend colon cancer screening beginning at age 50 for people who have an average risk and earlier for people who have an increased risk for colon cancer, ...
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sac; endolymphatic shunt; endolymphic; endomembrane system; endomerogony; endometria; endometrial; endometrial biopsy; endometrial carcinoma; endometrial cyst; endometrial hyperplasia; endometrial implants; endometrial neoplasms; endometrial polyp; ...
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Polyp A growth of tissue protruding into a body cavity, such as a nasal or rectal polyp. Polyps may be benign or malignant.
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This is particularly true for those with an inherited condition called polyposis coli. All individuals with this condition have colon cancer before the age of 40 unless they receive proper preventative treatment.
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Non-cancerous tumors, called adenomatous polyps, may grow in the colon or rectum. In some individuals, these polyps eventually become cancerous and develop into colorectal cancer.
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In order to expand our understanding of the effects of tea polyphenols and green tea, I review their ability to inhibit growth and cause apoptosis of cancer cells, their distribution into target organs and their other cancer-preventing properties.
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However, EMB may fail to detect other uterine pathology such as polyps and submucous myomas (5-7). In these instances, endometrial sampling may need to be combined with ultrasonography.
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Risk factors for rectal cancer include heredity (family history), colorectal polyps, and long-standing ulcerative colitis. Most cancers of the rectum, like those in colon, develop from polyps. Polyp removal can thus prevent rectal cancer.
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Not all polyps bleed, and not all polyps bleed all the time. That is why a FOBT must be used with one of the other more invasive screening measures, either colonoscopy or sigmoidoscopy.
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Vasoactive intestinal polypeptide
How Performed:
Blood is drawn from a vein, usually on the inside of the elbow or the back of the hand.
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The active constituents in green tea are powerful antioxidants called polyphenols (catechins) and flavonols.
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Most people who develop polyps do so after age 50, so the American College of Gastroenterology (the digestive specialists) recommends screening examinations every 5 years for early detection and removal of these cancer-causing growths after that age.
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Benign Lesions or Growths: Benign lesions or growths in the reproductive tract include fibroids, which are smooth muscle tumors within the walls of the uterus, and polyps, which are small growths that can occur on the inner lining of the uterus.
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Weight loss
Thirst (polydipsia)
Extreme hunger (polyphagia)
Excessive urination (polyuria)
Weakness or tiredness ...
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Polypeptide
Many peptides joined together.
For example, insulin .
Protein
A molecule composed of many amino acids and with a complex structure.
For example, immunoglobulin , casein .
Glycoprotein
A protein coated with sugars.
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Chial, H. J., Giddings Jr., T. H., Siewert, E. A., Hoyt, M. A. and Winey, M. (1999) Altered dosage of the S. cerevisiae spindle pole body duplication gene, NDC1, leads to aneuploidy and polyploidy. Proc. Natl. Acad. Sci. 96:10200-10205.
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include malfunction of the tiny, hairlike projections (cilia) that propel secretions out of the sinuses and abnormally thick sinus secretions. Sinusitis is common among children with cystic fibrosis, cleft palate, dental infections or nasal polyps.
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