A myoepithelioma is a non-cancerous type of salivary gland tumour. It is made up of specialized myoepithelial cells that are normally found in the salivary gland. This tumour should not be confused with the similarly named myoepithelioma that starts in soft tissue. Is myoepithelioma a type of cancer? No. Myoepithelioma is a benign (non-cancerous) type …
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What is a foveolar type adenoma of the stomach? A foveolar type adenoma is a non-cancerous growth that starts from cells on the inside surface of the stomach. It is a rare type of polyp in the stomach although it is slightly more common in people with familial adenomatous polyposis (FAP) syndrome and gastric adenocarcinoma …
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An intestinal type adenoma is a non-cancerous growth that starts from the inner lining of the stomach. It is called an “adenoma” because it is made up of abnormal gland-forming cells. These adenomas are considered precancerous, which means they have the potential to turn into cancer over time. Intestinal type adenoma is the third most …
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Edematous is a term used to describe the accumulation of clear, water-like fluid inside tissue. It is also called edema. A tissue becomes edematous when a specialized type of fluid called serum leaks out of blood vessels and into the surrounding tissue. Tissue can become edematous as a result of congestive heart failure, liver disease, …
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What are lymphoid cells? Lymphoid cells are immune cells, specifically B cells, T cells, plasma cells, and natural killer (NK) cells. They are part of the body’s immune system and they play an important role in protecting the body from infections. Where are lymphoid cells normally found? Lymphoid cells can be found throughout the body …
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ALK-negative anaplastic large cell lymphoma (ALCL) is a type of cancer that starts in T cells, which are specialized white blood cells that help the body fight infections. Because it begins in immune system cells, it is classified as a non-Hodgkin lymphoma (NHL). This disease can start in many different parts of the body. Common …
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In pathology, cells are described as plasmacytoid if they are round and if the nucleus (the part of the cell that holds the genetic material) is located to the side of the side. Pathologists often describe the location of the nucleus as eccentric or peripheral. These cells are described as plasmacytoid because they look like …
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In pathology, cells are described as epithelioid if they are round, have lots of cytoplasm (the material found inside the body of the cell), and have a round to oval-shaped nucleus (the part of the cell that holds the genetic material). They are called epithelioid because they look like epithelial cells – specialized cells found …
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What is vulvar intraepithelial neoplasia? Vulvar intraepithelial neoplasia (VIN) is a precancerous growth arising from the cells on the surface of the vulva. If left untreated, VIN can turn into a type of vulvar cancer called squamous cell carcinoma over time. Another name for VIN is squamous intraepithelial lesion (SIL). Where does vulvar intraepithelial neoplasia …
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Low grade squamous intraepithelial lesion (LSIL) in the anal canal and anus is an abnormal growth caused by infection with human papillomavirus (HPV). The abnormal growth seen in LSIL is an example of dysplasia. Although the overall risk is low, LSIL is considered a precancerous condition because it can turn into a type of anal cancer …
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