pathology report

Duodenal Adenoma: Understanding Your Pathology Report

What is a duodenal adenoma? A duodenal adenoma is a non-cancerous type of polyp that starts in a part of the small intestine called the duodenum. It is considered a precancerous condition because it can turn into a type of cancer called adenocarcinoma over time. Another name for this type of polyp is non-ampullary adenoma. …
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Vascular Invasion: Definition

Vascular invasion means that cancer cells have grown into a blood vessel. Pathologists also call it angioinvasion. Blood vessels carry blood through the body, so cancer cells that enter them can travel to other organs. A pathologist looks for vascular invasion when examining a tumor under the microscope. Vascular invasion is a finding, not a …
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Angioinvasion: Definition

Angioinvasion means cells or organisms have grown into the wall of a blood vessel or into its lumen. The word comes from “angio,” meaning vessel, and “invasion.” In cancer, angioinvasion is another name for vascular invasion. Pathologists also use the term for some lymphomas and for certain fungal infections. Angioinvasion is a finding, not a …
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Well Differentiated Neuroendocrine Tumor: Definition

A well differentiated neuroendocrine tumor is a cancer made of neuroendocrine cells that still look much like normal neuroendocrine cells. Doctors often abbreviate it as NET. These tumors can start in many organs, including the pancreas, the digestive tract, and the lungs. Many grow slowly, but some grow faster, and some spread to other parts …
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What is poorly differentiated neuroendocrine carcinoma?

A poorly differentiated neuroendocrine carcinoma is a type of cancer made up of specialized cells called neuroendocrine cells. Neuroendocrine cells normally produce hormones and are found throughout the body, including the lungs, digestive tract, and many other organs. The term “poorly differentiated” means the cancer cells look very abnormal compared to healthy neuroendocrine cells. Because …
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What is neuroendocrine carcinoma?

Neuroendocrine carcinoma (NEC) is a type of cancer composed of cells that exhibit features of both nerve cells and hormone-producing cells, also known as neuroendocrine cells. These cancers are considered high-grade tumours, which means they tend to grow quickly and may spread to other parts of the body. Neuroendocrine carcinomas can start in many different …
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What is a neuroendocrine tumor?

A neuroendocrine tumor (NET) is a type of cancer that starts from neuroendocrine cells. These are specialized cells with features of both nerve cells and hormone-producing cells that help regulate important body functions by releasing hormones in response to signals from the nervous system. Neuroendocrine cells are found throughout the body, which means neuroendocrine tumors …
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What is nuclear atypia?

In a pathology report, the term nuclear atypia is used to describe cells that have abnormal-looking nuclei when examined under a microscope. The nucleus is the part of the cell that contains its genetic material (DNA) and controls how the cell functions. Pathologists use the word “atypia” to mean that something looks unusual or different …
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