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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Low-grade serous carcinoma of the ovary is a type of ovarian cancer that develops from cells similar to those lining the fallopian tube. It is called “low grade” because the tumor cells look less abnormal under the microscope and tend to grow more slowly than those seen in high-grade serous carcinoma. Low-grade serous carcinoma accounts …
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High-grade serous carcinoma of the ovary is the most common type of ovarian cancer. It develops from epithelial cells that closely resemble the cells lining the inside of the fallopian tube. High-grade serous carcinoma accounts for about 70% of all ovarian carcinomas, and many cases are diagnosed after the cancer has already spread within the …
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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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Adenocarcinoma of the esophagus is a type of cancer that develops from gland-forming cells in the esophagus’s lining. It almost always starts in the lower part of the esophagus, near where it joins the stomach — an area called the esophagogastric junction. In some cases, it extends into the uppermost part of the stomach. This …
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HPV-associated adenocarcinoma is a type of cervical cancer that develops from the glandular cells lining the inside of the cervix. These cells normally produce mucus and form the lining of the cervical canal, the passageway connecting the uterus to the vagina. HPV-associated adenocarcinoma is caused by persistent infection with high-risk human papillomavirus (HPV) types, particularly HPV18, …
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Adenocarcinoma of the colon is the most common type of colon cancer. It starts in the gland-forming cells that line the inner surface of the colon. These cells normally produce mucus, which helps stool move through the large intestine. When these cells accumulate genetic changes and grow uncontrolled, they form a tumour called adenocarcinoma. This …
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Follicular adenoma is a benign (noncancerous) tumor of the thyroid gland. The thyroid is a butterfly-shaped gland at the front of the neck that produces hormones to regulate metabolism. Follicular adenoma develops from follicular cells, which normally produce thyroid hormone. The tumor is completely surrounded by a thin layer of tissue called a capsule, and …
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A fibroadenoma is a benign (noncancerous) type of breast tumor. It is made of both epithelial cells (the cells that line breast ducts) and stromal cells (the connective tissue that supports the ducts). Fibroadenomas are not cancerous, and having a fibroadenoma does not increase the risk of developing breast cancer in the future. If a …
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A tubular adenoma is a type of colorectal polyp that forms on the inner lining of the large intestine, which includes the colon and rectum. It is considered a conventional adenoma, which means it develops through the most common pathway that can lead to colorectal cancer. Although tubular adenomas are benign (non-cancerous), they are classified …
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