Carcinoid tumors

Diagnosis

Tests and procedures used to diagnose carcinoid tumors include:

• Blood tests. If you have a carcinoid tumor, your blood may contain high levels of hormones secreted by a carcinoid tumor or byproducts created when those hormones are broken down by the body.
• Urine tests. People with carcinoid tumors have excess levels of a chemical in their urine that's produced when the body breaks down hormones secreted by carcinoid tumors.
• Imaging tests. Imaging tests, including a computerized tomography (CT) scan, magnetic resonance imaging (MRI), positron emission tomography (PET), X-ray and nuclear medicine scans, may help your doctor pinpoint the carcinoid tumor's location.

• A scope or camera that sees inside your body. Your doctor may use a long, thin tube equipped with a lens or camera to examine areas inside your body.

  An endoscopy, which involves passing a scope down your throat, may help your doctor see inside your gastrointestinal tract. A bronchoscopy, using a scope passed down your throat and into your lungs, can help find lung carcinoid tumors. Passing a scope through your rectum (colonoscopy) can help diagnose rectal carcinoid tumors.

  To see inside your small intestine, your doctor may recommend a test using a pill-sized camera that you swallow (capsule endoscopy).

• Removing tissue for laboratory testing. A sample of tissue from the tumor (biopsy) may be collected to confirm your diagnosis. What type of biopsy you'll undergo depends on where your tumor is located.

  One way of collecting a tissue sample involves using a needle to draw cells out of the tumor. Another option may be through surgery. The tissue is sent to a laboratory for testing to determine the types of cells in the tumor and how aggressive those cells appear under the microscope.

Treatment

Treatment for a carcinoid tumor depends on the tumor's location, whether cancer has spread to other areas of the body, the types of hormones the tumor secretes, your overall health and your own preferences.

Carcinoid tumor treatment options may include:

• Surgery. When detected early, a carcinoid tumor may be removed completely using surgery. If carcinoid tumors are advanced when discovered, complete removal may not be possible. In some situations, surgeons may try to remove as much of the tumor as possible, to help control signs and symptoms.

• Medications to control excess hormones. Using medications to block hormones secreted by the tumor may reduce the signs and symptoms of carcinoid syndrome and slow tumor growth.

  Octreotide (Sandostatin, Bynfezia Pen) and lanreotide (Somatuline Depot) are given as injections under the skin. Side effects from either medication may include abdominal pain, bloating and diarrhea. Telotristat (Xermelo) is a pill that is sometimes used in combination with octreotide or lanreotide to further try to improve the symptoms of carcinoid syndrome.

• Chemotherapy. Chemotherapy uses strong drugs to kill tumor cells. It can be given through a vein in your arm or taken as a pill. Chemotherapy is sometimes recommended for treating advanced carcinoid tumors that can't be removed with surgery.
• Targeted drug therapy. Targeted drug treatments focus on specific abnormalities present within tumor cells. By blocking these abnormalities, targeted drug treatments can cause tumor cells to die. Targeted drug therapy is usually combined with chemotherapy for advanced carcinoid tumors.
• Drugs that deliver radiation directly to the cancer cells. Peptide receptor radionuclide therapy (PRRT) combines a drug that seeks out cancer cells with a radioactive substance that kills them. In PRRT for carcinoid tumors, the drug is injected into your body, where it travels to the cancer cells, binds to the cells and delivers the radiation directly to them. This therapy may be an option for people with advanced carcinoid tumors.
• Treatment for cancer that spreads to the liver. Carcinoid tumors commonly spread to the liver. Treatments may include surgery to remove part of the liver, blocking blood flow to the liver (hepatic artery embolization), and using heat and cold to kill cancer cells. Radiofrequency ablation delivers heat treatments that cause carcinoid tumor cells in the liver to die. Cryoablation uses cycles of freezing and thawing to kill cancer cells.

Coping and support

Each person with cancer develops their own way of coping. But you don't have to do it alone. If you have questions or would like guidance, talk with a member of your health care team. Also consider the following steps to help you deal with your diagnosis:

• Find out enough about carcinoid tumors to make decisions about your care. Ask your doctor questions about your condition. Ask members of your health care team to recommend resources where you can get more information.
• Talk to others with cancer. Support groups for people with cancer can put you in touch with others who have faced the same challenges you're facing. Ask your doctor about groups in your area. Or contact your local chapter of the American Cancer Society, or the Carcinoid Cancer Foundation. Try the online chat rooms and message boards at the American Cancer Society's Cancer Survivors Network.

• Control what you can about your health. A cancer diagnosis can make you feel as if you have no control over your health. But you can take steps to maintain a healthy lifestyle so that you'll better cope with your cancer treatment.

  Choose healthy meals with plenty of fruits and vegetables. When you feel up to it, work light exercise into your daily routine. Cut stress when possible. Get plenty of sleep so that you feel rested when you wake up.

Preparing for your appointment

Make an appointment with your primary care doctor or family doctor if you have signs and symptoms that concern you. If your doctor suspects a carcinoid tumor, you may be referred to a:

• Doctor who specializes in digestive problems (gastroenterologist)
• Doctor who specializes in lung problems (pulmonologist)
• Doctor who treats cancer (oncologist)

Because appointments can be brief, and because there's often a lot of information to discuss, it's a good idea to be prepared. Here's some information to help you get ready, and what to expect from your doctor.

What you can do

• Be aware of any pre-appointment restrictions. At the time you make the appointment, be sure to ask if there's anything you need to do in advance, such as restrict your diet.
• Write down any symptoms you're experiencing, including any that may seem unrelated to the reason for which you scheduled the appointment.
• Write down key personal information, including any major stresses or recent life changes.
• Make a list of all medications, vitamins or supplements that you're taking.
• Consider taking along a family member or friend. Sometimes it can be difficult to remember all the information provided during an appointment. Someone who accompanies you may remember something that you missed or forgot.
• Write down questions to ask your doctor.

Your time with your doctor is limited, so preparing a list of questions can help you make the most of your time together. List your questions from most important to least important, in case time runs out. Some basic questions to ask your doctor include:

• What is likely causing my symptoms?
• Are there any other possible causes for my symptoms?
• What kinds of tests do I need? Do these tests require any special preparation?
• What treatments are available and which do you recommend?
• What are the risks and side effects I can expect for each treatment?
• What's my prognosis if I undergo treatment?
• Will the treatment affect my ability to work or do normal daily activities?
• I have these other health conditions. How can I best manage these conditions together?
• Are there any brochures or other printed material that I can take with me? What websites do you recommend?
• How often do I need follow-up visits?

What to expect from your doctor

Your doctor is likely to ask you a number of questions. Being ready to answer them may allow more time to cover points you want to address. Your doctor may ask:

• When did you first begin experiencing symptoms?
• Have your symptoms been continuous, or occasional?
• How severe are your symptoms?
• What, if anything, seems to improve your symptoms?
• What, if anything, appears to worsen your symptoms?

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