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 mucinous cystadenofibroma? A mucinous cystadenofibroma is a non-cancerous type of ovarian tumour. While these tumours are non-cancerous, they can grow to be very large in size and can cause significant symptoms for many patients. How do pathologists make this diagnosis? For most women, the diagnosis of mucinous cystadenofibroma is only made when the …
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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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What is clear cell carcinoma of the ovary? Clear cell carcinoma is a type of ovarian cancer. Most clear cell carcinomas are associated with a condition called endometriosis. Endometriosis is the presence of endometrial tissue (which is normally found in the uterus) outside of the uterus and the ovary is a common location to find …
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Mucinous carcinoma is a rare type of ovarian cancer. It is made up of tumour cells that look similar to the cells normally found in the gastrointestinal tract, such as the stomach or intestines. These tumour cells produce mucus, which is a thick fluid, and this gives the tumour its name. Most mucinous carcinomas are …
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What is low-grade serous carcinoma of the ovary? Low-grade serous carcinoma is a type of ovarian cancer. It develops from cells normally found on the outside surface of the ovary or the tissue that lines the inside of the abdominal cavity. It is an uncommon, slow-growing cancer that usually has spread to other organs including …
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High grade serous carcinoma is the most common type of ovarian cancer. It develops from epithelial cells, which are the cells that normally cover the outside surface of the ovaries. The word serous describes the appearance of the tumor cells under the microscope, which resemble cells that line the fallopian tubes. The term high grade …
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Endometrioid carcinoma is a type of ovarian cancer that starts from the epithelial cells, which are the cells that normally cover the surface of the ovary and line the glands inside the uterus. It accounts for about 10% of all ovarian cancers. Many cases of ovarian endometrioid carcinoma are associated with a condition called endometriosis. …
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What is a serous borderline tumour? Serous borderline tumour is a non-cancerous type of ovarian tumour. Although it is considered non-cancerous, the tumour cells can spread to other organs within the abdomen and pelvis. Is a serous borderline tumour of the ovary a type of cancer? No. Serous borderline tumour is not a type of …
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What is a serous cystadenoma? A serous cystadenoma is a very common non-cancerous type of ovarian tumour. It develops from the cells on the surface of the ovary. While these tumours are non-cancerous, they can grow to be very large in size and as a result, can cause significant symptoms for many patients. What are …
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