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Topic: Carcinoid

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	Dr. Koop - Carcinoid Syndrome- Health Encyclopedia and Reference
		Carcinoid syndrome is caused by an uncommon intestinal or lung tumor, called a carcinoid tumor, that secretes excess quantities of hormones.
		Symptoms associated with carcinoid tumors (also called argentaffinomas) include attacks of severe flushing of the skin lasting from minutes to days, watery diarrhea, abdominal cramps, bronchoconstrictive attacks, and edema (swelling) of the head and neck.
		Metastatic carcinoid tumors may be diagnosed by the clinical findings and by elevated levels of 24-hour urinary 5-hydroxyindolacetic acid (5-HIAA), a metabolic product of the serotonin produced by the tumor.
	www.drkoop.com /encyclopedia/93/504.html (517 words)

	National Cancer Institute - Gastrointestinal Carcinoid Tumor Treatment
		A gastrointestinal carcinoid tumor is cancer that forms in the lining of the gastrointestinal tract.
		Carcinoid tumors that start in the rectum (the last several inches of the large intestine) usually do not produce hormones.
		The hormones produced by gastrointestinal carcinoid tumors are usually destroyed by blood and liver enzymes.
	www.cancer.gov /cancerinfo/pdq/treatment/gastrointestinalcarcinoid/patient (841 words)

	Gastrointestinal carcinoid tumor: 101064 (Site not responding. Last check: 2007-10-02)
		Carcinoid tumors, except those originating in the rectum, produce a variety of endocrine substances, the most frequent of which are serotonin (5-hydroxytryptamine) and kallikrein (an activator of bradykinin release).
		[8] Primary carcinoids of the extrapelvic colon are uncommon, typically present with metastatic disease, and have a poor prognosis.
		Carcinoid tumors with gross regional lymphatic metastasis or local extension should be treated by aggressive surgical resection.
	www.acor.org /cnet/101064.html (2029 words)

	Carcinoid Malignancy - Overview, Carcinoid Syndrome & Treatment - oncologychannel
		Carcinoid tumors, or carcinoids, originate in hormone-producing cells of the gastrointestinal (GI) tract (i.e., esophagus, stomach, small intestine, colon), the respiratory tract (i.e., lungs, trachea, bronchi), the hepatobiliary system (i.e., pancreas, gallbladder, liver), and the reproductive glands (i.e., testes, ovaries).
		Carcinoid tumors of the appendix usually are benign and often occur between the ages of 20 and 40.
		Carcinoid tumors that are confined to the GI tract may not cause symptoms (i.e., be asymptomatic) because the hormones produced by these tumors are released into the bloodstream and destroyed by the liver.
	oncologychannel.com /cancermalignancy (735 words)

	MedlinePlus Medical Encyclopedia: Carcinoid syndrome
		Carcinoid syndrome is a group of symptoms associated with carcinoid tumor (see bronchial adenoma).
		Carcinoid syndrome is the pattern of symptoms exhibited by people with carcinoid tumors.
		Carcinoid tumors secrete excessive amounts of the hormone serotonin as well as other chemicals that cause the blood vessels to dilate (open).
	www.nlm.nih.gov /medlineplus/ency/article/000347.htm (1019 words)

	Carcinoid Syndrome -- eCureMe.com
		Carcinoid syndrome is a group of symptoms that occur in patients who have
		Carcinoid syndrome is caused by the release of hormones from
		Treatment depends on whether or not carcinoid syndrome is present and the severity of the symptoms.
	www.ecureme.com /emyhealth/data/Carcinoid_Syndrome.asp (1411 words)

	Carcinoid Tumor -- eCureMe.com
		In a few cases of bronchial carcinoid tumors, the cancer is located in the very outer part of the lungs and may not cause any symptoms at all.
		Carcinoid tumors that develop in the appendix or rectum are usually very slow growing and rarely affect long-term survival.
		For carcinoids that develop in other parts of the intestine or stomach, the 5-year survival is 95% if it has not spread, 65% if it has only spread to the local lymph nodes, and about 20% if it has metastasized to the liver.
	www.ecureme.com /emyhealth/data/Carcinoid_Tumor.asp (2024 words)

	Carcinoid Tumors: Merck Manual Home Edition
		Carcinoid tumors are noncancerous (benign) or cancerous (malignant) growths that produce excessive amounts of hormonelike substances.
		When carcinoid tumors occur in the digestive tract or pancreas, the substances they produce are released into a blood vessel that flows directly to the liver (portal vein), where enzymes destroy them.
		Carcinoid tumors of the lungs, testes, and ovaries also cause symptoms because the substances they produce bypass the liver and circulate widely in the bloodstream.
	www.merck.com /mmhe/sec13/ch168/ch168a.html (674 words)

	The Carcinoid Cancer Foundation, Inc.
		Recent marked increases in gastric and rectal carcinoids and a concomitant decrease in appendiceal carcinoid incidence may be due in part to varying rules of registration among the compiled databases examined in this report or to improvements in diagnostic technology; increased awareness of and about carcinoid tumors also may play a significant role.
		Certain carcinoid tumors, such as those of the rectum, appear to be over-represented among the fl and Asian populations within the United States, suggesting the role of genetics in the development of this intriguing disease.
		Carcinoid heart disease is a rare, but interesting and important cause of intrinsic tricuspid and pulmonary valve disease leading to significant morbidity and mortality caused by right heart failure.
	www.carcinoid.org /medpro/index.shtml (1561 words)

	Carcinoid tumors, gastrointestinal: Treatment - Health Professional Information [NCI PDQ] -- General Information
		The majority of carcinoid tumors are slow-growing tumors that can be treated and often cured, especially in early stages.[1] The occurrence of metastasis from carcinoid tumors relates directly to the size of the primary tumor (lesions 1 cm or less rarely metastasize; lesions greater than 2 cm frequently metastasize).
		The diagnosis of carcinoid syndrome (a syndrome associated with flushing, diarrhea, bronchoconstriction, cardiac valvular lesions, and telangiectasia) is aided by demonstrating elevated 24-hour urinary 5-hydroxyindoleacetic acid levels.
		In patients with the carcinoid syndrome, palliation is sometimes obtained with pharmacologic agents that suppress production or block the action of vasoactive amines; of particular interest is a somatostatin analogue.[13] Some patients benefit from the use of interferon alfa.
	www.webmd.com /hw/cancer/ncicdr0000062893-general-information.asp (914 words)

	Cancer Control Journal:Carcinoid Tumors of the Gut (Site not responding. Last check: 2007-10-02)
		Carcinoid tumors comprise approximately 55% of all gastrointestinal endocrine tumors.
		The derivation of carcinoid tumors from argentaffin-staining enterochromaffin cells of the gastrointestinal (GI) tract was postulated by Gosset and Masson[7] in 1914.
		The carcinoid syndrome: palliation by hepatic artery embolization.
	www.moffitt.usf.edu /pubs/ccj/v4n1/article2.htm (3532 words)

	ACS :: How Are Gastrointestinal Carcinoid Tumors Diagnosed?
		The most common symptom of localized carcinoid tumors (those which have not spread beyond the organ it developed in) is abdominal pain caused by "kinking" or blockage of the intestines.
		Some patients with carcinoid tumors also have cancers or benign tumors of other organs, so doctors will ask about symptoms that might suggest other tumors are present.
		PET scanning for carcinoid tumors uses a radioactive form of 5-hydroxytryptophan, a chemical that is taken up and used by carcinoid cells.
	www.cancer.org /docroot/cri/content/cri_2_4_3x_how_is_gastrointestinal_carcinoid_tumors_diagnosed_14.asp?sitearea=cri (2028 words)

	CarciNews: News, Resources On Carcinoid
		The Carcinoid Cancer Foundation, Inc. is a nonprofit organization chartered by the State of New York in 1968 for the purpose of encouraging and supporting research and education on carcinoid tumors and related neuro-endocrine neoplasms.
		Carcinoid tumours often grow slowly and it may be several years before any symptoms appear and the tumour is diagnosed.
		Carcinoid tumors arise from neuroendocrine cells, particularly in the GI tract (90%), pancreas, and pulmonary bronchi.
	exalter.net /carcinews/carcinews.html (1645 words)

	► Carcinoid syndrome
		This group of symptoms is typically associated with carcinoid tumor (see also Bronchial adenoma).
		Carcinoid syndrome is the pattern of symptoms which are exhibited by people with carcinoid tumors.
		Carcinoid tumors secrete excessive amounts of the hormone serotonin as well as other chemicals that cause the blood vessels to dilate (widen).
	www.umm.edu /ency/article/000347.htm (273 words)

	CalCF - Carcinoid Seminar 2003 (Site not responding. Last check: 2007-10-02)
		In the untreated patient, the average survival of a carcinoid without the syndrome, once a surgical diagnosis (a tissue diagnosis by a biopsy) is made, is 7 years.
		Once the onset of symptoms occurs in the carcinoid syndrome, whether it be flushing or diarrhea, in the untreated patient, the average survival is 3 years.
		Patients with the carcinoid syndrome obviously have a worse outlook than those without the syndrome because they have both the growth of the tumor and the problems related to the effects of the circulating hormones on their different organs.
	www.sccfighters.org /seminar2003.htm (14273 words)

	eMedicine - Carcinoid, Gastrointestinal : Article by Ali Nawaz Khan, MBBS, FRCP, FRCR (Site not responding. Last check: 2007-10-02)
		Gastrointestinal carcinoids metastasize to the lymph nodes and liver.
		In carcinoid syndrome, deposition of fibrous tissue is found in the cardiac valves, particularly of the right heart and endocardium, resulting in tricuspid stenosis/insufficiency stenosis of the pulmonary valve.
		Hepatic carcinoid: The liver is frequently involved as a result of metastatic disease from a gastrointestinal carcinoid; in fact, a liver metastatic deposit may be the presenting feature of a carcinoid.
	www.emedicine.com /radio/topic126.htm (5626 words)

	Carcinoid syndrome and carcinoid tumor information on MedicineNet.com
		The carcinoid syndrome is a combination of symptoms caused by the hormones released by the tumors into the blood stream.
		The symptoms of the carcinoid syndrome vary depending on which hormones are released by the tumors.
		Typical symptoms of heart failure include an enlarged liver (due to the backup of blood returning to the failing heart which is unable to pump all of the blood returning to it), swelling of the feet and ankles (edema), and swelling of the abdomen due to fluid accumulation (ascites).
	www.medicinenet.com /carcinoid_syndrome/article.htm (1039 words)

	Carcinoid - Thoracic Spine (Site not responding. Last check: 2007-10-02)
		Emergency decompression surgery to relieve his cord compression was performed and the final pathologic diagnosis was metastatic carcinoid tumor.
		Carcinoid tumour arising in a recurrent intradural spinal teratoma.
		Carcinoid tumor in a presacral teratoma associated with an anterior sacral meningocele: case report and review of the literature.
	home.earthlink.net /~radiologist/tf/101600.htm (239 words)

	Gale Encyclopedia of Cancer: Carcinoid tumors, gastrointestinal (Site not responding. Last check: 2007-10-02)
		Gastrointestinal carcinoid tumors are rare malignancies in which cancer develops in hormone-producing cells that line the appendix, bronchus, esophagus, intestines, liver, ovary, pancreas, rectum, stomach, testes, and thymus.
		The average age of patients diagnosed with carcinoid tumor of the appendix is 40.
		The average age of patients diagosed with carcinoid tumor of the stomach, small intestine, colon, and rectum is 55-65.
	www.findarticles.com /p/articles/mi_gGEC/is_0010/ai_2699001081 (1158 words)

	Carcinoid tumor definition - Medical Dictionary definitions of popular medical terms
		The tumor usually arises in the gastrointestinal tract, anywhere between the stomach and the rectum (the favorite spot is in the appendix) and from there may metastasize (spread) to the liver.
		One or more of four kinds of treatment are used for carcinoid tumors: surgery (to take out the cancer); radiation therapy (using high-dose x-rays to kill the cancer cells); biological therapy (using the body's natural immune system to fight the cancer); and chemotherapy (using drugs to kill cancer cells).
		Carcinoid tumors are considered a type of endocrine tumor since they secrete a hormone (serotonin).
	www.medterms.com /script/main/art.asp?articlekey=15653 (275 words)

	Carcinoid
		Carcinoid is one of the few tumors that might commonly be detected in a patient so young.
		Carcinoid tumors arise from neuroendocrine (Kulchitzky) cells in the airway.
		The classic carcinoid syndrome is seen with liver metastases from GI primaries and occurs in less than 3% of typical lung carcinoid cases.
	brighamrad.harvard.edu /Cases/bwh/hcache/337/full.html (795 words)

	California Carcinoid Fighters (Site not responding. Last check: 2007-10-02)
		Carcinoid is a rare disease - there is no established standard of care, the experts are not in agreement, and individual cases can vary greatly from person to person.
		Carcinoid is the hidden cancer; it is rare, but not that rare: there may be as many as 70,000 of us in the United States.
		Carcinoid is the unexpected cancer; the C.T. Scan or the biopsy that discovers it was often meant to find something else, and the carcinoid diagnosis often comes after years of misdiagnosis.
	www.sccfighters.org (787 words)

	ACS :: Can Gastrointestinal Carcinoid Tumors Be Found Early?
		Because carcinoid tumors usually grow and spread slowly, about half of all gastrointestinal carcinoid tumors are found at an early or localized stage.
		Occasionally, when a person's appendix is removed to treat acute appendicitis (infection and inflammation of the appendix that causes abdominal pain), doctors may incidentally find a small carcinoid, in addition to the expected finding of inflammation.
		In most of these cases, the carcinoid was still too small to have caused any problems.
	www.cancer.org /docroot/cri/content/cri_2_4_3x_can_gastrointestinal_carcinoid_tumors_be_found_early_14.asp?sitearea=cri (286 words)

	Gastrointestinal carcinoid tumor : 01064 (Site not responding. Last check: 2007-10-02)
		Gastrointestinal carcinoid tumors are cancers in which cancer (malignant) cells are found in certain hormone-making cells of the digestive, or gastrointestinal, system.
		If there is a carcinoid tumor, the patient has a greater chance of getting other cancers in the digestive system, either at the same time or at a later time.
		Treatment of gastrointestinal carcinoid tumor depends on the type of tumor, the stage, and the patient's overall health.
	www.acor.org /cnet/201064.html (2748 words)

	Carcinoid (Site not responding. Last check: 2007-10-02)
		The heterochromatin-euchromatin pattern of a carcinoid tends to be coarse, as you can see here.
		You can contrast the chromatin pattern in the tumor to the lymphocybes (round) and fibroblast (elongated) nuclei nearby, Both are composed mostly of heterochromatin, in contrast with the more active carcinoid tumor cell nuclei.
		Carcinoid tumors come from cells related to nerve cells.
	www.pathguy.com /~tdemark/0069.htm (125 words)

	Carcinoid Syndrome
		Carcinoid syndrome is a disease consisting of a combination of symptoms, physical manifestations, and abnormal laboratory chemical findings caused by a carcinoid tumor.
		A carcinoid tumor is a tumor that secretes large amounts of the hormone serotonin.
		Carcinoid syndrome occurs when the tumors produce excessive amounts of serotonin or other substances.
	www.webmd.com /hw/health_guide_atoz/nord677.asp (427 words)

	Carcinoid Tumors, Syndrome (Site not responding. Last check: 2007-10-02)
		Carcinoid tumors can produce chemical substances and hormones that may cause a variety of symptoms.
		Carcinoids are very slow growing tumors and it may take years before they become sizable.
		A Fine needle aspiration of the Carcinoid may confirm the existence of this cancer.
	www.tirgan.com /carcino.htm (569 words)

	Carcinoid Cancer Texas Survivors - Carcinoid Stamp (Site not responding. Last check: 2007-10-02)
		Bob Getman of the Connecticut Carcinoid Initiative has asked for the help of all Carcinoid patients, their families and friends, to help the group with their project to have a Carcinoid Stamp issued by the United States Post Office.
		A Carcinoid Cancer Postage stamp will help raise the level of awareness of a rare and under-diagnosed cancer, facilitate earlier diagnosis and treatment and ultimately save lives.
		Carcinoid Cancer is generally known as a slow-growing, "rare" type of cancer found in many parts of the body, including the intestines and lungs.
	www.carcinoid-tx.org /Stamp.htm (437 words)

	Carcinoid syndrome - MayoClinic.com (Site not responding. Last check: 2007-10-02)
		Carcinoid syndrome occurs when a rare cancerous tumor (carcinoid tumor) secretes excess serotonin, a brain chemical (neurotransmitter) that helps regulate mood.
		Carcinoid tumors usually originate in the gastrointestinal system or lung.
		Rarely, carcinoid syndrome can damage the heart valves, resulting in symptoms of congestive heart failure.
	www.mayoclinic.com /health/carcinoid-syndrome/AN00815 (261 words)

	Carcinoid Cancer Foundation (Site not responding. Last check: 2007-10-02)
		The Carcinoid Cancer Foundation began as the Carcinoid Tumor and Serotonin Research Foundation in 1968.
		It is a nonprofit organization chartered by the State of New York for the purpose of encouraging and supporting research and education on carcinoid tumors and related neuro-endocrine neoplasms.
		The Foundation's website and the research and educational activities of the Carcinoid Cancer Foundation are made possible by your generous contributions.
	www.carcinoid.us /foundation.htm (214 words)

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