Clear cell carcinoma of the ovary is a type of ovarian cancer named for the appearance of its cells under the microscope — many of the tumor cells have large amounts of a substance called glycogen inside them, which washes out during the preparation of the tissue slide and leaves the cell’s interior looking pale, …
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Mucinous carcinoma of the ovary is a type of ovarian cancer that develops from cells that produce mucus. Under the microscope, the tumor cells resemble the cells that line parts of the digestive tract, such as the stomach or intestines, which is why pathologists describe this tumor as having “mucinous” or gastrointestinal-type features. Mucinous carcinoma …
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Endometrioid carcinoma of the ovary is a type of ovarian cancer whose cells resemble the cells of endometrioid carcinoma of the uterus when examined under the microscope. It develops from epithelial cells and accounts for about 10% of all ovarian carcinomas. Unlike the more common high-grade serous carcinoma, most endometrioid carcinomas of the ovary are …
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A serous cystadenoma is a common, noncancerous (benign) type of ovarian tumor. It develops from the epithelium, the thin layer of cells that covers the surface of the ovary. A serous cystadenoma consists of one or more fluid-filled spaces called cysts and is lined by serous cells. Although a serous cystadenoma is not cancer and …
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A mucinous cystadenoma is a common, noncancerous (benign) type of ovarian tumor. It is made up of one or more fluid-filled spaces called cysts, lined by cells that produce a thick, gelatinous, mucus-like fluid called mucin. Although a mucinous cystadenoma is not cancer and does not spread to other parts of the body, it can …
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Mucinous borderline tumor is a type of ovarian tumor that is not cancer, but is also not a completely benign growth. It belongs to a group of tumors called borderline tumors, which sit between clearly benign tumors and cancer. The behavior of a mucinous borderline tumor falls somewhere between a mucinous cystadenoma, which is a …
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Mature teratoma of the ovary is a noncancerous (benign) ovarian tumor. It is one of the most common ovarian tumors, accounting for about 20% of all ovarian neoplasms, and it can occur at any age, though it is most often diagnosed in women of reproductive age. Mature teratoma is also known as a mature cystic …
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Endometrioid borderline tumor is a type of ovarian tumor that is not cancer, but is also not a completely benign growth. It belongs to a group of tumors called borderline tumors, which sit between clearly benign tumors and cancer. The behavior of an endometrioid borderline tumor falls somewhere between an endometrioid cystadenofibroma, which is a …
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