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Malignant teratoma

Contents of this page:

Illustrations

Teratoma - MRI scan
Teratoma - MRI scan
Malignant teratoma
Malignant teratoma

Alternative Names    Return to top

Dermoid cyst - malignant; Nonseminomatous germ cell tumor - teratoma; Immature teratoma

Definition    Return to top

Malignant teratoma is a type of cancer made of cysts that contain one or more of the three main types of cells found in a developing baby (embryo). These cells are callled ectoderms, mesoderms, and endoderms.

Causes    Return to top

Malignant teratoma occurs most often in young men in their 20's - 30's. It is often located in the chest area. Most malignant teratomas can spread throughout the body, and have spread by the time of diagnosis.

A number of other cancers are often associated with these tumors, including:

Symptoms    Return to top

Symptoms include:

Exams and Tests    Return to top

The health care provider will perform a physical exam, which may reveal signs of congestive heart failure and increased pressure in the chest area.

The following tests help diagnose the tumor:

Treatment    Return to top

Chemotherapy is used to treat the tumor. A combination of medicines (usually cisplatin, etoposide, and bleomycin) is commonly used.

After chemotherapy is complete, CT scans are taken again to see if any mass remains. Surgery may be recommended if there is a possibility that the cancer will grow back in that area.

Support Groups    Return to top

There are many support groups available for people with cancer. Contact the American Cancer Society -- www.cancer.org

Outlook (Prognosis)    Return to top

The outlook depends on the tumor size and location and the age of the patient.

Possible Complications    Return to top

The cancer can spread throughout the body and there may be complications of surgery or related to chemotherapy.

When to Contact a Medical Professional    Return to top

Call your health care provider if you have symptoms of malignant teratoma.

Update Date: 9/30/2008

Updated by: James R. Mason, MD, Oncologist, Director, Blood and Marrow Transplantation Program and Stem Cell Processing Lab, Scripps Clinic, Torrey Pines, California. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.

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