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Diseases

Genetic and Rare Diseases Information Center (GARD)

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Teratoma with malignant transformation


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Your Question

Is someone diagnosed with teratoma with malignant transformation (TMT) considered to have cancer?  If so, is it the type of cancer within the teratoma or is TMT a cancerous classification?

Our Answer

We have identified the following information that we hope you find helpful. If you still have questions, please contact us.

Is someone diagnosed with teratoma with malignant transformation (TMT) considered to have cancer?

Yes.  An individual with teratoma with malignant transformation (TMT) is considered to have cancer because some of the cells in the teratoma have become malignant.  A group of malignant cells is called a cancer.
Last updated: 9/28/2012

How is a teratoma with malignant transformation classified?

Teratoma with malignant transformation (TMT) is classified as a specific type of cancer.[1]  TMT is the main classification group; TMTs in this group can be described further by the specific type of cancer cells within the TMT.
Last updated: 9/28/2012

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