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Doctor insights on: Benign Carcinoid Tumor In The Lung

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Can you have a carcinoid tumor on the lung, not in the lung?

Can you have a carcinoid tumor on the lung, not in the lung?

Yes: I am guessing from your question, but yes there can be pulmonary and bronchial carcinoid tumors. They are both a type of lung tumor that can be benign or cancerous. They can occur in the lung or "on" the lung in the breathing tube to the lung. These are relatively rare tumors. ...Read more

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Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more


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I had a small 4-6mm intestine carcinoid tumor. Now my ct showed a 4-5mm non-calcified nodule in the right middle lobe of my lung. Should I be worried?

I had a small 4-6mm intestine carcinoid tumor. Now my ct showed a 4-5mm non-calcified nodule in the right middle lobe of my lung. Should I be worried?

Need to investigate: If there are no lesions in your liver, the lesion in the lung is less likely to be metastasis from the carcinoid. However, it needs to be investigated. Please follow your doctor's advice about follow-up care. ...Read more

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Are carcinoid tumors benign?

Are carcinoid tumors benign?

No: Carcinoid tumors are not benign. They are typically (but not always) slower growing than other tumors. They can spread if not found and therefore should be removed. ...Read more

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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

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What is the probability of a carcinoid tumor bursting?

Very Low: Carcinoid tumors are solid masses and unless they have died (necrosed) the chance of one bursting is very very unlikely. ...Read more

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Is carcinoid tumor the same thing as cancer?

Is carcinoid tumor the same thing as cancer?

Carcinoid tumors: Are just one of the many different types of cancer that people can get. ...Read more

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How much metastasis does there need to be to cause carcinoid syndrome from midgut carcinoid tumors?

How is the liver?: Typically patients do not develop carcinoid syndrome without having tumor metastases in the liver. So tell us about the results of your X-rays and scans of the chest, abdomen and your liver imaging studies. Then we can help you further. ...Read more

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In its genealogy, how long does it usually take for carcinoid tumor to metastize to the liver and subsequent progression into carcinoid syndrome? Ty

Slow/unpredictable: Carcinoid tumors are commonly very slow growing tumors. It takes them 10 to 20 years(or longer) to run their course. We can not be exact in predicting when, or if , the carcinoid will spread to the liver. So relax and try not to make any predictions. Most of my patients have no problems for decades of relatively good life despite a tumor nodule or two siting some place in the belly. ...Read more

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What are carcinoid tumors / syndrome?

Neuroendocrine tumor: It is a relatively benign type of tumor that can secrete a variety of hormones, most notably serotonin. They are most commonly found in the gut or the lungs. They do not come from the lining of the lungs or the gut (as adenocarcinomata do). They come from a different line of cells. Carcinoid syndrome occurs when large amounts of serotonin get into the bloodstream, assoc with flushing and diarrhea. ...Read more

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What are the tests for carcinoid tumors?

Biopsy: Confirmation of diagnosis is via a biopsy; other tests include blood tests (blood counts, chemistries, serotonin, chromogranin), urine tests (for 5hiaa) as well as ct scans and octreotide scans. ...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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What's the safest way to treat carcinoid tumors?

Location? extent?: Tumors of neuroendocrine origin; can be hard to localize; can be in appendix, rectum, bowel, stomach/duodenum, ovaries, bronchi (breathing tubes), elsewhere. "low" malignant potential, but can be aggressive, spread; can cause abd pain, ;"syndrome" with flushing, wheezing, murmurs, etc. Small ones can be cured by surgical removal; may need chemo, embolization, or octreotide rx for symptom control. ...Read more

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What are the symptoms of carcinoid tumors I should be looking for?

Carcinoid tumor: Carcinoid tumors can be found in several places in the intestines. They do not cause symptoms unless the liver is affected. Carcinoid syndrome can be associated with flushing, increase in blood pressure, irregular heart beat, etc. If a carcinoid is located with a bowel lumen it can cause blockage. Carcinoids can spread directly to other areas. Usually not by blood stream. ...Read more

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How unusual is a renal carcinoid tumor?

VERY uncommon: Primary carcinoid tumor of the kidney is a very rare tumor. The current world health organization classification of tumors of the kidney (iarc press, lyon 2004) says that only about 50 cases have been reported in the world's literature. Hope that this helps. ...Read more

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How effective is sandostatin (octreotide) on carcinoid tumor?

Good for symptoms: Sandostatin (octreotide) is a medication that decreases the release of hormones from carcinoid tumors, thereby decreasing symptoms of carcinoid (flushing, diarrhea). It may have some effects in slowing the growth of such tumors, but its main use is to treat symptoms of Carcinoid. It is effective for this is over 80% of patients with Carcinoid. ...Read more

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I'm having right lower side pain no appendix did have a carcinoid tumor on appendix.had c-section 7 months ago.

See your doctor: you need to see your doctor to rule out any problem associated with the carcinoid. it could be ad hesions from your previous surgery.it could be an ovarian cyst .the list is long. see your doctor for proper eveluation and treatment ...Read more

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Dr. Murthy Andavolu
130 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


Neoplasms (Definition)

"tumor" literally translates as "mass", so even a fresh bruise could be called a "tumor". Doctors use the term "neoplasm" (tranlates literally as new growth) to describe tumors that are abnormal growths of cells. These may be benign or malignant; "malignant" = cancer. In everyday usage, we use "tumor" ...Read more