Friday, February 23, 2018 4:27

Choriocarcinoma And Teratoma

Posted by on Wednesday, September 9, 2009, 16:26
This news item was posted in Cancer category and has 0 Comments so far.

The rate tumor choriocarcioma is unique in that it consist of cells of one individual growing and disseminating in the body of another. In every pregnancy, cells of embryonic origin from a placenta which locally invades the lining of the maternal uterus to obtain supply for the developing fetus.

In some rare circumstances following a normal delivery, but far more commonly after the spontaneous abortion of a grossly deformed fetus, some of these embryonic plancetal cells remain and assume all the characteristics of an independent highly aggressive tumor.

Tumors of this sort are confined to females of child bearing age with a recent history of pregnancy. Such a tumor can be diagnosed by a specific urine hormone test, and today is almost always curable by appropriate chemotherapy.

Teratomas are tumors of varying grades of malignancy that contain an admixture of multiple tissues in various grades of differentiation. Thus a relatively benign teratoma of the ovary may contain such surprising structures as recognizable teeth, hair, skin, and miniscule bones, whereas a more malignant teratoma of.

Such a bizarre appearance has led to the suggestion that a teratoma is a suppressed twin growing within the tissues of the survivor. Teratomas, however, are not confined to infancy and childhood and have a predilection for occurring in either the ovary or the testis, so that it is likely  that they represent malignant degeneration arising in germ cells. Their symptoms and management depend upon anatomical site and degree of cellular differentiation.

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