breast cancer

Invasive apocrine carcinoma of the breast

Invasive apocrine carcinoma is a rare type of breast cancer. Although it starts from epithelial cells normally found inside the ducts and glands in the breast, the tumour is made up of large pink cells that resemble the cells normally found in apocrine-type sweat glands in the skin. About this article This article was written …
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Paget’s disease of the breast

Paget’s disease is a non-invasive type of breast cancer that involves the nipple and surrounding skin. It is considered non-invasive because the tumour cells are limited to a layer of the skin called the epidermis. Most tumours are believed to start in channels called ducts that run from the nipple to glands deep in the breast. …
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Borderline phyllodes tumour of the breast

A borderline phyllodes tumour is a type of breast tumour that shows uncertain behaviour over time. While most borderline phyllodes will behave like a non-cancerous tumour over time, a small number will spread to other parts of the body in a manner more in keeping with a cancerous tumour. What are the symptoms of a …
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Invasive mammary carcinoma

Invasive mammary carcinoma is a diagnosis used to describe a cancerous tumour in the breast that has not been subclassified into a more specific type of breast cancer. Additional tests performed often result in the tumour being subclassified as invasive ductal carcinoma or invasive lobular carcinoma. Is invasive mammary carcinoma a type of breast cancer? …
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Invasive ductal carcinoma with apocrine features

Invasive ductal carcinoma with apocrine features is a rare type of breast cancer. Although this type of cancer starts from epithelial cells normally found inside the ducts and glands in the breast, the tumour is made up of large pink cells that resemble the cells normally found in apocrine-type sweat glands in the skin. Another …
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Secretory carcinoma of the breast

Secretory carcinoma is a rare type of breast cancer characterized by a genetic change involving two genes – ETV6 and NTRK3. A tumour also called secretory carcinoma and sharing the same genetic change can also be found in the salivary glands, thyroid gland and skin. Secretory carcinoma can affect both women and men and can …
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Invasive mucinous carcinoma of the breast

Invasive mucinous carcinoma is a type of breast cancer where the tumour cells are surrounded by a thick fluid called mucin. To be called mucinous carcinoma, at least 90% of the tumour needs to be made up of mucin. Compared to the more common invasive ductal carcinoma, invasive mucinous carcinoma is more likely to develop …
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Breast cancer

What is breast cancer? Breast cancer is a general term used to describe a group of malignant (cancerous) tumours that develop from cells normally found in the breast. A malignant tumour is made up of abnormal cells that have the ability to invade surrounding tissues and spread to other parts of the body. The most …
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Phyllodes tumour

Phyllodes tumour is a rare type of breast tumour. Most phyllodes tumours will behave like non-cancerous tumours. However, a small number (approximately 10%) will behave like cancer. This behaviour includes the ability to spread through the normal tissue in the breast and to other parts of the body.  The entire tumour must be removed surgically …
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Invasive lobular carcinoma of the breast

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 LCIS have a higher risk …
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