Struma ovarii is a type of teratoma, a noncancerous tumour in the ovary. The term teratoma is used to describe a tumour made up of germ cells – specialized cells in the ovary that have the potential to form many different types of tissue. While most teratomas contain a mixture of tissues, such as hair, …
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What is a mixed germ-cell tumour? A mixed germ-cell tumour is a type of testicular cancer made up of more than one type of germ-cell tumour. The types of germ cell tumours that may be found in a mixed germ cell tumour are seminoma, embryonal carcinoma, yolk sac tumour, teratoma, and choriocarcinoma. Mixed germ-cell tumours …
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An immature teratoma is a rare type of ovarian tumour that contains both mature tissues, such as skin or fat, and immature tissues, typically composed of developing nerve cells. The word immature is used because some of the tissues inside the tumour look similar to embryonic or early developmental tissue under the microscope. Unlike mature …
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