Thymoma (patient information)

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Thymoma (patient information)
Thymoma: A bottle-shaped tumor is encapsulated and shows a bulging, rather homogeneous, faintly lobulated ivory-colored cut surface. Image courtesy of Professor Peter Anderson DVM PhD and published with permission © PEIR, University of Alabama at Birmingham, Department of Pathology
ICD-10	C37.9, D60
ICD-9	164.0, 212.6
ICD-O:	8580
DiseasesDB	13067
MedlinePlus	001086
eMedicine	med/2752  med/3448 ped/2246
MeSH	D013945

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Jinhui Wu, MD

Overview

The thymus lies in the upper chest under the breastbone and it is part of the lymph system. There are different types of tumors of the thymus: thymoma and thymic carcinomas. Thymoma usually is benign, and frequently encapsulated. Thymoma does not have any early symptoms. With the development of the tumor, frequent symptoms include trouble breathing, cough or chest pain, etc. Treatments include surgery, radiation, chemotherapy or hormone therapy.

What are the symptoms of (the condition)?

Early thymoma does not have any symptoms. As the tumor grows larger, people may notice one or more of the following symptoms:

• Chest pain

• Cough that does not go away

• Trouble breathing

• Hemoptysis

• Hoarseness

Other health problems may also cause these symptoms. Only a doctor can tell for sure. A person with any of these symptoms should tell the doctor so that the problems can be diagnosed and treated as early as possible.

Who is at the highest risk?

Not much is known about why thymoma develop in some people but not in others.

When to seek urgent medical care?

Call your health care provider if symptoms of thymoma develop. If you experience either of the following symptoms, seeking urgent medical care as soon as possible:

• Severe shortness of breath

• A large amount of hemoptysis

Treatment options

In order to diagnose thymoma, your doctor may suggest the following tests:

• Chest x-ray: An x-ray test is a basic test for thymoma. It may go through the chest and make a picture of areas inside the body.

• Computed tomography (CT) scan and biopsy: CT scans are often used to diagnose thymoma. It can confirm the location of the tumor and show the organs in the mediastinum, as well as lymph nodes. These are helpful for determining whether surgery is a good treatment option. CT scans can also be used to guide biopsy and a biopsy sample is usually removed and looked at under a microscope.

• Magnetic resonance imaging (MRI): An MRI uses magnetic fields but it is a different type of image than what is produced by computed tomography (CT) and produces detailed images of the body. Like computed tomography (CT), a contrast agent may be injected into a patient’s vein to create a better picture.

Patients with thymoma have many treatment options. The selection depends on the stage of the tumor. The options are surgery, radiation therapy, chemotherapy, hormone treatment, or a combination of these methods. Before treatment starts, ask your health care team about possible side effects and how treatment may change your normal activities. Because cancer treatments often damage healthy cells and tissues, side effects are common. Side effect may not be the same for each person, and they may change from one treatment session to the next.

• Surgery: Surgery is the most common treatment for thymoma. After surgery, other types of treatment can be done in order to increase the chances of a cure.

• Radiation therapy: This therapy does not usually work well for kidney cancer. In some cases, hormone treatments may reduce the growth of the tumor.

• Chemotherapy: The treatment is to use drugs to stop the growth of cancer cells either by killing the cells or by stopping them from dividing.

• Hormone therapy: This kind of treatment is to remove hormones or block their action and stop cancer cells from growing. Drugs usual used in thymoma is called corticosteroids.

Diseases with similar symptoms

• Lung cancer

• Lymphoma

• Dysembryoma

Where to find medical care for thymoma?

Directions to Hospitals Treating thymoma

Prevention of thymoma

For the causes of thymoma are not clear, it is not yet possible to know how to prevent them.

What to expect (Outook/Prognosis)?

The prognosis of thymoma depends on the following:

• The location of the tumor

• The stage of the tumor

• Whether the tumor can be removed completely by surgery

• The patient's general health

• Whether the cancer has just been diagnosed or has recurred

Sources

http://www.cancer.gov/cancertopics/pdq/treatment/thymoma/patient Template:SIB Template:WH Template:WS