What does non-invasive mean in a pathology report? In pathology, non-invasive is used to describe a disease (typically a tumour) that remains localized and has not spread into the surrounding tissues or organs. All types of benign (noncancerous) tumours are by definition non-invasive. However, some types of early-stage malignant (cancerous) tumours are also considered non-invasive …
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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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Squamous cell carcinoma in situ of the larynx is a non-invasive type of cancer. If left untreated, this condition can evolve into a type of invasive 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 neck …
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What is melanoma in situ? Melanoma in situ is a non-invasive type of skin cancer made up of specialized cells called melanocytes. If left untreated, melanoma in situ can turn into an invasive type of skin cancer called invasive melanoma. Where does melanoma in situ start? Melanoma in situ starts from specialized cells called melanocytes …
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Background: Ductal carcinoma in situ (DCIS) is a non-invasive type of breast cancer. The tumour starts from specialized epithelial cells in the glands and ducts of the breast. DCIS is called non-invasive because, after careful microscopic examination, cancer cells were found only on the inside of the ducts and glands. If left untreated, patients with …
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What is serous tubal intraepithelial carcinoma (STIC)? Serous tubal intraepithelial carcinoma (STIC) is a non-invasive type of fallopian tube cancer. It develops from the cells that cover the inside surface of the fallopian tube. If left untreated, STIC can turn into an invasive type of cancer called high-grade serous carcinoma. Why is serous tubular intraepithelial …
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What is differentiated vulvar intraepithelial neoplasia (dVIN)? Differentiated vulvar intraepithelial neoplasia (dVIN) is a pre-cancerous disease that develops on the vulva. It is called a pre-cancerous disease because over time it can turn into a type of vulvar cancer called squamous cell carcinoma. What causes differentiated vulvar intraepithelial neoplasia? Differentiated vulvar intraepithelial neoplasia (dVIN) is …
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What is lentigo maligna? Lentigo maligna is a non-invasive type of skin cancer made up of specialized cells called melanocytes. Another name for lentigo maligna is melanoma in situ. If left untreated, lentigo maligna can turn into an invasive type of skin cancer called lentigo maligna melanoma. Where does lentigo maligna start? Lentigo maligna starts …
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