Chronic active colitis is a type of inflammation in the colon (large intestine) caused by the body’s immune system attacking its own cells. This results in damage to the inner lining of the colon. The word “chronic” means that the inflammation has been present for a long time, and “active” means that the inflammation is currently …
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Squamous cell carcinoma is the most common type of cancer found in the oral cavity. It starts from squamous cells, which are thin, flat cells that form the surface lining of the mouth. The oral cavity includes the lips, front two-thirds of the tongue, inner cheeks (buccal mucosa), floor of the mouth, gums, retromolar trigone …
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Barrett esophagus is a condition where the normal lining of your esophagus is gradually replaced by a different type of cell. The esophagus is the tube that carries food and liquids from your mouth to your stomach. It is normally lined by squamous cells, which are flat, strong cells built to handle the wear and …
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Atypical endometrial hyperplasia (AEH) is a precancerous condition of the lining of the uterus, called the endometrium. In AEH, the endometrium becomes abnormally thick and the glandular cells that make up the endometrium start to grow in a crowded and irregular pattern. The cells also look abnormal under the microscope, which is why the word …
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Endometrial hyperplasia without atypia is a noncancerous condition in which the lining of the uterus (called the endometrium) becomes thicker than normal. This happens because the endometrial glands grow and multiply more than they should. Although this condition is not cancer, it can sometimes develop into cancer over time, especially if it is left untreated …
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A hyperplastic polyp is a common benign (non-cancerous) growth that develops on the inner surface of the colon or rectum. These polyps are made up of cells that look similar to the normal cells that line the colon but grow in a slightly disorganized. Hyperplastic polyps are not considered precancerous, and in most cases, they …
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Usual ductal hyperplasia (UDH) is a non-cancerous (benign) condition commonly found in breast biopsies. It describes an increase in the number of normal-looking cells within the small ducts of the breast, typically in a region of the breast known as the terminal duct lobular unit. These cells multiply in a disorganized manner but do not …
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HPV-associated squamous cell carcinoma is the most common type of cervical cancer. It develops from squamous cells, which are the flat cells that cover the outer surface of the cervix. This cancer is called HPV-associated because it is caused by infection with high-risk types of human papillomavirus (HPV). Persistent infection with these viruses can damage …
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High grade squamous intraepithelial lesion (HSIL) is a precancerous disease caused by human papillomavirus (HPV). It is composed of abnormal squamous cells that have been infected and transformed by the virus. Squamous cells are found in a thin layer of tissue called the epithelium which covers the surface of the vulva. There are many types …
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Low grade squamous intraepithelial lesion (LSIL) in the vagina is an abnormal growth caused by infection with human papillomavirus (HPV). The abnormal growth seen in LSIL is an example of dysplasia. In addition to the vagina, LSIL can also affect the anal canal, vulva, and cervix. In men, LSIL can affect the penis and scrotum. …
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