non-invasive

Melanoma in situ of the skin

What is melanoma in situ? Melanoma in situ is a type of early, non-invasive skin cancer. The tumour is made up of specialized cells called melanocytes. Another name for melanoma in situ is lentigo maligna. In melanoma in situ, the abnormal melanocytes are only found in the top layer of the skin called the epidermis. …
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Ductal carcinoma in situ (DCIS)

What is ductal carcinoma in situ? 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. …
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Serous tubal intraepithelial carcinoma (STIC)

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. STIC is a pre-cancerous disease that can, over time, turn into an invasive type of cancer called high-grade serous carcinoma. Why …
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High grade prostatic intraepithelial neoplasia (HG-PIN)

What is high-grade prostatic intraepithelial neoplasia (PIN)? High-grade prostatic intraepithelial neoplasia (PIN) is a non-cancerous condition that starts in the prostate gland. In this condition, abnormal prostate cells fill the small glands and ducts in the prostate. The diagnosis of high-grade PIN is not the same as having prostate cancer.  As a result, definitive treatment, …
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Differentiated vulvar intraepithelial neoplasia (dVIN)

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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Lentigo maligna

What is lentigo melanoma? Lentigo maligna is a type of early, non-invasive skin cancer made up of melanocytes. Another name for lentigo maligna is melanoma in situ. In lentigo maligna, the abnormal melanocytes are only found in the top layer of the skin called the epidermis. Without a microscope, lentigo maligna can look like a …
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Adenocarcinoma in situ (AIS) of the cervix

What is adenocarcinoma in situ of the cervix? Adenocarcinoma in situ (AIS) is a pre-cancerous disease in the cervix. The disease starts from glands in a part of the cervix called the endocervical canal. 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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