breast biopsy

Atypical ductal hyperplasia (ADH)

What is atypical ductal hyperplasia? Atypical ductal hyperplasia (ADH) is a precancerous condition in the breast. It starts from cells normally found inside small spaces called ducts. Is atypical ductal hyperplasia cancer? No, ADH is not a type of breast cancer. However, having ADH is associated with an increased chance of developing breast cancer in …
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Columnar cell hyperplasia

What is columnar cell hyperplasia in the breast? Columnar cell hyperplasia (CCH) is a non-cancerous condition in the breast. CCH starts in glands normally found in the breast and it can only be seen after tissue from the breast is examined under the microscope by a pathologist. CCC is usually seen with another non-cancerous change …
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Columnar cell change

What is columnar cell change in the breast? Columnar cell change (CCC) is a common non-cancerous condition in the breast. CCC starts in glands normally found in the breast and it can only be seen after tissue from the breast is examined under the microscope by a pathologist. CCC is usually seen with another non-cancerous …
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Usual ductal hyperplasia (UDH)

What is usual ductal hyperplasia (UDH)? Usual ductal hyperplasia (UDH) is a non-cancerous condition in the breast. It starts from cells normally found inside small spaces called ducts. What causes usual ductal hyperplasia? At present we do not know what causes UDH. What are the symptoms of usual ductal hyperplasia? Most patients with UDH do not …
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Fibroadenoma

What is a fibroadenoma? A fibroadenoma is a non-cancerous type of breast tumour the most common breast tumour in women under 40 years old. The tumour is made up of epithelial cells and fibroblasts normally found in the breast. Fibroadenomas are usually round tumours that feel firm to the touch. Their size may change depending …
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Invasive lobular carcinoma of the breast

What is invasive lobular carcinoma? Invasive lobular carcinoma is a type of breast cancer. Invasive lobular carcinoma commonly starts from a non-cancerous growth of abnormal breast cells called lobular carcinoma in situ (LCIS). LCIS can be present for months or years before turning into invasive lobular carcinoma. In addition, patients with a previous diagnosis of …
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Complex sclerosing lesion

What is a complex sclerosing lesion in the breast? Complex sclerosing lesion (CSL) is a non-cancerous growth that develops when there is an increase in the number of glands and ducts surrounding an area of altered connective tissue called a scar in the breast. Although non-cancerous, CSL is associated with a small increased risk of …
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Invasive ductal carcinoma (IDC) of the breast

What is invasive ductal carcinoma of the breast? Invasive ductal carcinoma (IDC) is a type of breast cancer and the most common type of breast cancer worldwide. Another name for this type of cancer is infiltrating ductal carcinoma. How is the diagnosis of invasive ductal carcinoma made? The diagnosis of invasive ductal carcinoma is usually …
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