National Organization for Rare Disorders, Inc.
- primary thyroid teratoma
Cervical teratomas are extremely rare germ cell tumors (neoplasm) that occur in the neck. The majority of teratomas occur in the testes or ovaries (gonads) or the lower back (sacrococcygeal region). In rare cases, other areas such as the neck may be affected. Most cervical tumors occur in children and are non-cancerous (benign). In extremely rare cases, cervical teratomas occur in adults and are usually cancerous (malignant).
The term "cancer" refers to a group of diseases characterized by abnormal, uncontrolled cellular growth that invades surrounding tissues and may spread (metastasize) to distant bodily tissues or organs via the bloodstream, the lymphatic system, or other means. Different forms of cancer are be classified based upon the cell type involved, the specific nature of the malignancy, and the disease's clinical course.
Teratomas are germ cell tumors that, in rare cases, occur in the head and neck region. Some researchers differentiate between cervical and primary thyroid teratomas. For a diagnosis of primary thyroid teratoma one of three conditions must be met: a tumor must occupy a portion of the thyroid gland, a direct connection must exist between the tumor and the thyroid, or a teratoma is accompanied by the absence of the thyroid. However, most cervical teratomas have some type of relationship with the thyroid and the clinical picture and prognosis between these tumors is the same. Therefore, many researchers have abandoned separating these tumors and classify all neck teratomas as cervical teratomas.
March of Dimes Birth Defects Foundation
1275 Mamaroneck Avenue
White Plains, NY 10605
American Childhood Cancer Organization
10920 Connecticut Ave
Kensington, MD 20895
American Cancer Society, Inc.
250 Williams NW St
Atlanta, GA 30303
National Cancer Institute
6116 Executive Blvd Suite 300
Bethesda, MD 20892-8322
Support for People with Oral and Head and Neck Cancer, Inc.
P.O. Box 53
Locust Valley, NY 11560-0053
Rare Cancer Alliance
1649 North Pacana Way
Green Valley, AZ 85614
Genetic and Rare Diseases (GARD) Information Center
PO Box 8126
Gaithersburg, MD 20898-8126
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Last Updated: 3/20/2012
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