Biliary intraepithelial neoplasia (BilIN) is a precancerous change in the thin layer of cells that line the gallbladder and bile ducts. The abnormal cells are confined to the inner surface and have not yet invaded deeper tissues. Because it is microscopic, BilIN cannot be seen with the naked eye and is usually only discovered when …
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Pancreatic intraepithelial neoplasia, or PanIN, is a microscopic-sized growth that starts in the small ducts of the pancreas. It is not cancer, but it is considered a type of precancerous change. This means that over time, PanIN can turn into a type of pancreatic cancer called ductal adenocarcinoma. PanIN is only visible under the microscope …
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Squamous intraepithelial neoplasia of the esophagus is a precancerous condition that involves abnormal changes in the cells lining the esophagus. The esophagus is the muscular tube that carries food from your mouth to your stomach. “Squamous” refers to the type of cells affected, which are flat cells normally lining the inner surface of the esophagus. …
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Keratinizing dysplasia is a precancerous condition marked by an abnormal growth pattern in squamous cells. These cells are found on external and internal body surfaces such as the skin, mouth, throat, and cervix. Dysplasia means the cells look abnormal under the microscope and are not maturing or developing normally. In keratinizing dysplasia, these abnormal squamous …
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Squamous dysplasia is a precancerous condition, which means the affected cells are not cancerous but have the potential to develop into cancer over time if left untreated. The term describes changes in squamous cells, which are flat cells that cover the surface of certain tissues in the body. Under the microscope, these cells look abnormal, and …
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Low-grade squamous dysplasia of the esophagus is a precancerous condition in which the cells lining the esophagus show mild abnormal changes. The esophagus is the muscular tube that carries food from the mouth to the stomach. Its inner surface is lined by squamous epithelium, a thin protective layer of flat cells. These cells normally grow, …
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HPV associated dysplasia of the larynx is a precancerous condition in which the squamous cells that cover the inside surface of the larynx begin to show abnormal growth due to infection with the human papillomavirus (HPV). If not treated effectively, this condition can progress to a type of laryngeal cancer called squamous cell carcinoma. This …
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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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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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