Dysplasia in Barrett esophagus is a precancerous change in the gland-forming cells that line a segment of Barrett esophagus. Barrett esophagus is a condition in which the normal squamous lining of the lower esophagus has been replaced by glandular cells resembling those of the intestine, usually after years of acid reflux. Dysplasia means those replacement …
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Stratified mucin producing intraepithelial lesion, usually abbreviated as SMILE, is a rare precancerous condition of the cervix caused by infection with human papillomavirus (HPV). It is described as having features of both squamous cells (flat cells that line the outer surface of the cervix) and glandular cells (mucus-producing cells that line the inside of the …
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Biliary intraepithelial neoplasia (BilIN) is a precancerous change in the thin layer of cells that line the gallbladder and bile ducts. In BilIN, the abnormal cells are confined to the inner surface of the duct or gallbladder and have not invaded deeper tissues. Because BilIN can only be seen under the microscope, it is not …
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Pancreatic intraepithelial neoplasia, or PanIN, is a microscopic growth that starts in the small ducts of the pancreas. It is not cancer, but it is considered a precancerous change, which means that over many years it can sometimes turn into a type of pancreatic cancer called ductal adenocarcinoma. PanIN is too small to be seen …
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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 change in the cells lining the esophagus, the muscular tube that carries food and liquid from the mouth to the stomach. The inner surface of the esophagus is covered by squamous epithelium, a layered sheet of flat protective cells. New cells are produced at the …
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HPV-associated dysplasia of the larynx is a precancerous change in the lining of the voice box caused by infection with the human papillomavirus (HPV). Dysplasia means the squamous cells lining the larynx have started to grow and mature abnormally. It is not cancer, but over time it can develop into a type of laryngeal cancer …
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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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