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Doctor insights on: Causes Of Carcinoid Tumors

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Are the symptoms of carcinoid tumors bad?

Are the symptoms of carcinoid tumors bad?

Not always!: The most common place to have a carcinoid is the appendix. When the tumor is there, and most of the other common locations which are in the intestinal tract, you don't feel anything because the liver removes the hormones the tumors produce. Only when the tumors are large, outside the intestinal tract, or metastatic do the symptoms occur. They can get very bad then. ...Read more

Dr. Murthy Andavolu
132 doctors shared insights

Carcinoid (Definition)

Carcinoid refers to neuroendocrine tumors originating in gastrointestinal (GI) tract, lungs and appendix. They are usually indolent developing over many years. Aggressive, fast-growing forms such SCLC known as Oat Cell Ca of lung represents neuroendocrine carcinoma that exhibits rapid growth and early spread to distant sites. They are sensitive ...Read more


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Are brain tumors causes of headaches?

Are brain tumors causes of headaches?

Yes sometimes: Brain tumors can cause headaches sometimes but they are not the commonest cause of headaches. The probability of them being the cause of a headaches in an otherwise normal person is low. ...Read more

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Which types of tumors are cancerous?

Which types of tumors are cancerous?

Malignant: By definition, malignant tumors are cancerous. A tumor is just an abnormal swelling - many times it is benign (no serious, imminent concern). But if it is found to contain cancerous cells, it is then malignant. ...Read more

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Pathophysiology of retroperitoneal tumor and its causes?

Pathophysiology of retroperitoneal tumor and its causes?

It depends on what y: The causes of any tumor regardless of its location are difficult to pin point. The retroperitoneal tumors are frequently sarcomas which require a specialist who manages retroperitoneal sarcomas routinely because a complete resection of the tumor is critically essential for a good outcome. Otherwise such tumors have a very high rate of local recurrence. ...Read more

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What are the symptoms of benign tumour and malignated tumor?

What are the symptoms of benign tumour and malignated tumor?

Well, that really: depends on the type of tumor it is (specifically). Benign means it isn't cancer. Malignant means it is cancer.Take care. ...Read more

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Are carcinoid tumors carcinoma? Is malignant metastatic stomach carcinoma that's hereditary a carcinoid cancer? carcinoid Neuroendocrine tumors?

Are carcinoid tumors carcinoma? Is malignant metastatic stomach carcinoma that's hereditary a carcinoid cancer? carcinoid Neuroendocrine tumors?

Complicated question: Carcinoids are carcinomas, usually more slow growing than adenocarcinomas. For information in this topic you may consult this link: http://www.webmd.com/cancer/carcinoid-tumors#1 ...Read more

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Which types of tumors are benign?

Which types of tumors are benign?

Not CA, can get big: Cancers (malignant) tumors lose normal control with other cells, have unrestricted growth; they can enlarge, spread by blood or lymph. Can be fatal. Benign tumors are abnormal, but not cancers. Can get big, but don't spread by blood or lymph. Generally not fatal, although benign brain tumors can cause a lot of trouble-not much room to spare in the skull. ...Read more

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Describe the features of a carcinoid tumor.?

Describe the features of a carcinoid tumor.?

Slower growing: Carcinoid tumors can occur throughout the intestine and may act in a malignant fashion and spread to lymph nodes and other organs. They tend to grow more slowly that more common (adenocarcinomas) cancers in the intestinal tract. They can sometimes be cured with surgery and survival can be long term even after spread due to their nature of sometimes growing very slowly. ...Read more

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Causes of prostrate cancer?

Causes of prostrate cancer?

Many associations: There are many things that are associated with the decelopment of prostate cancer but no definite causes. There is such a thing as inheritable prostate cancer but it is a far less common variant. ...Read more

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What are the most common causes of desmoid tumors?

What are the most common causes of desmoid tumors?

FAP and pregnancy: The exact cause of desmoid tumors is unknown but they appear intrabdominally in about 20-30% of people who have a genetic condition called fap (familial adenomatous polyposis). Sporadically, they can occur in the abdominal wall or extremities during or following pregnancy or sometimes following trauma or surgery. These tumors rarely spread but can be locally aggressive causing pain or obstruction. ...Read more

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What is the frequency of benign colon tumors compared to cancerous tumors?

What is the frequency of benign colon tumors compared to cancerous tumors?

Small and about 5%: Other than for congenital polyposis the majority of lesions arise in a field effect initiated by the polyoma virus. Contrary to the belief that adenomatous polyps convert to malignant polyps and then Ca this occurs in about 5 % of pts. 95% arise from premalignant cells in the viral or carcinogen field. ...Read more

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Causes of prostate cancer?

Causes of prostate cancer?

Three Main Things: At this time, there are no known direct causes for prostate cancer. Three factors are known. As men age, the risk for prostate cancer increases. Race also plays a role in risk (aa > whites > asians). Men with a primary relative(father, brother) are at the most increased risk for developing the disease. At 40, a rectal exam and psa blood test are the best way to start screening. ...Read more

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What are the symptoms of neuroendocrine carcinoma?

What are the symptoms of neuroendocrine carcinoma?

Varied: Nfeouroendocrine tumors represent a large array of lesions representing small cell and larege cell tumors. Medullary ca of thyroid is a large cell neuroendocrine presenting as a neck mass. Small cell neuroendocrine of lung metastasizes to brain. Gi neuroendocrine tumors spread to liver ie carinoid, producing flusing and other hormone symptoms. ...Read more

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What are the causes of pancreatic cancer?

What are the causes of pancreatic cancer?

Multifactorial: Pancreatic cancer (adenocarcinoma) is caused by the accumulation of mutations in the dna of cells that line the pancreatic duct. Smokers, diabetics, and people with chronic pancreatitis are at increased risk, as are some people with familial (genetic) syndromes. Another type, neuroendocrine (like steve jobs) arise from hormone-producing cells and some are related to inherited cancer syndromes. ...Read more

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Which type of brain tumor causes hallucinations?

Which type of brain tumor causes hallucinations?

Any: Brain tumors that effect what we call the limbic system or the auditory or visual association cortex could cause auditory or visual hallucinations. This could be because the tumor is in these areas or because of mass effect even if the tumor is in a different area ...Read more

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What's the cause of neuro endocrine tumors?

What's the cause of neuro endocrine tumors?

Unknown: Like so many other cancers, the cause of neuro-endocrine cancer is unknown. Just consider this to be an accident of nature and accept it as your destiny. ...Read more

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What are the known causes of thymic carcinoma?

What are the known causes of thymic carcinoma?

None are common: The vast majority of thymic carcinomas of all sorts "just happen", without any identifiable risk factors. Genetic mutation is a lottery over the lifetime, and some folks are lucky enough to escape all cancers through old age, but others may end up with an unusual one such as thymic carcinoma. Some of them are very curable while others are tough; i wish you luck. ...Read more

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What causes pituitary tumors?

What causes pituitary tumors?

Unknown.: There are malignant and non-malignant pituitary tumors, some that produce hormones, some that don't. Some cause problems because of their size and relationship to the optic chiasm and can cause visual problems and headaches. Causes of pituitary tumors are unknown. ...Read more

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What are symptoms of a benign brain tumor?

What are symptoms of a benign brain tumor?

Many: Brain tumors, benign or malignant, can have many different presentations. These include headache, seizures, focal neurological deficits such as speech problems, weakness in one limb or on one side, difficulty thinking properly etc. These symptoms are all non-specific, and can also be due to other brain disorders. ...Read more

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What are the major presenting symptoms of pituitary tumor?

What are the major presenting symptoms of pituitary tumor?

Visual & endocrine: Any tumor of the pituitary may affect the optic nerve and produces visual disturbances. The endocrine symptoms depend on the cell type involved and if it makes a hormone. If the tumor does not make hormones it causes deficiency of thyroid, adrenal and gonadal hormones. Excess production of hormone may cause hyperthyroidism and cushing syndrome etc. ...Read more