Struma ovarii is a specialized type of mature teratoma of the ovary in which thyroid tissue makes up the predominant or only component of the tumor. The word “struma” is a Latin term that has historically referred to the thyroid gland. Most cases of struma ovarii are noncancerous and behave in a completely benign way. …
Read More »
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 …
Read More »
Immature teratoma of the ovary is a rare type of malignant (cancerous) ovarian tumor. Despite sharing the word “teratoma” with the common, noncancerous mature teratoma (also called a dermoid cyst), an immature teratoma is a fundamentally different diagnosis — one that requires careful staging and, in many cases, treatment beyond surgery. The word “immature” refers …
Read More »
