human papillomavirus

Condyloma Acuminatum: Understanding Your Pathology Report

Condyloma acuminatum, commonly known as genital warts, is a non-cancerous growth on the skin and mucous membranes in areas such as the genital and anal regions. These growths are caused by certain types of the human papillomavirus (HPV), primarily types 6 and 11. Condyloma acuminatum can vary in appearance but often forms soft, cauliflower-like clusters …
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Koilocytes: Definition

Koilocytes are squamous cells that look abnormal under the microscope. They are most commonly found in tissues infected with the human papillomavirus (HPV). These cells have a distinctive appearance that helps pathologists recognize HPV-related changes. What do koilocytes look like under the microscope? When examined under the microscope, koilocytes show several characteristic features: Enlarged nucleus …
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Squamous Papilloma: Understanding Your Pathology Report

What is a squamous papilloma? Squamous papilloma is a non-cancerous growth made up of specialized squamous cells that connect together to form finger-like projections called papilla. This type of growth can start in any location where squamous cells are normally found such as the skin, mouth, tonsils, larynx, esophagus, and eyelids. What causes a squamous …
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Cervical Intraepithelial Neoplasia (CIN): Understanding Your Pathology Report

Cervical intraepithelial neoplasia (CIN) is a precancerous condition of the cervix caused by infection with human papillomavirus (HPV). It is composed of squamous cells that have been infected and altered by the virus. These abnormal cells are found in the transformation zone, which is the part of the cervix where glandular cells are gradually replaced …
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What is high grade squamous intraepithelial lesion (HSIL)?

High grade squamous intraepithelial lesion (HSIL) is a precancerous condition caused by infection with human papillomavirus (HPV). It involves abnormal changes in squamous cells, which are flat cells found on the surface of tissues such as the cervix, vagina, vulva, penis, and anal canal. HSIL is primarily caused by high-risk HPV types, especially types 16 …
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Verruca Vulgaris: Understanding Your Pathology Report

Verruca vulgaris, also known as a wart, is a very common non-cancerous skin growth caused by infection with the human papillomavirus (HPV). These growths are harmless in most people and often go away on their own, but they can be bothersome, spread to other parts of the skin, or persist for years. What parts of …
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