What is adenocarcinoma in situ? Adenocarcinoma in situ (AIS) is a non-invasive type of cancer. It is called non-invasive because the cancer cells have not spread into surrounding tissues. If left untreated, it can turn into invasive adenocarcinoma. Is adenocarcinoma in situ a benign or malignant disease? AIS is considered a malignant (cancerous) disease. However, …
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What is adenocarcinoma in situ of the cervix? Adenocarcinoma in situ (AIS) is a precancerous disease in the cervix. The disease starts from glands in a part of the cervix called the endocervix. If not treated, AIS can turn into a type of cervical cancer called endocervical adenocarcinoma. Is adenocarcinoma in situ a type of …
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High grade dysplasia of the larynx (also called severe keratinizing squamous dysplasia) is a precancerous condition. If not treated, this condition can evolve into a type of laryngeal cancer called squamous cell carcinoma. This condition typically affects adults over the age of 40 years. The larynx The larynx is a structure located in the upper …
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What is endometrioid intraepithelial neoplasia? Endometrioid intraepithelial neoplasia (EIN) is a precancerous condition associated with an abnormally thick endometrium. It is considered a precancerous condition because over time it can turn into a type of endometrial cancer called endometrioid adenocarcinoma. Another name for this condition is atypical endometrial hyperplasia. Is endometrioid intraepithelial neoplasia cancer? No. …
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Background: Oral epithelial dysplasia (OED) is a precancerous condition characterized by abnormal changes in the epithelial cells lining the oral cavity. These changes indicate that the cells are growing and maturing abnormally, which can potentially progress to oral squamous cell carcinoma if not properly managed. Oral epithelial dysplasia can appear as white patches (leukoplakia), red …
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Low grade squamous intraepithelial lesion (LSIL) is an abnormal growth caused by infection with human papillomavirus (HPV). The abnormal growth seen in LSIL is an example of dysplasia. It commonly involves the cervix, vagina, vulva, penis, or anal canal. This condition may affect both women and men. The virus infects squamous cells found on the …
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In pathology, the term precursor is used to describe any non-cancerous condition that has the potential to turn into cancer over time. Precursor diseases can be caused by viruses, genetic changes, or environmental factors such as smoking or excessive alcohol consumption. The chance that a precursor will eventually turn into cancer depends on many factors …
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