What is Paget disease of the breast? Paget disease is a type of breast cancer that involves the nipple and surrounding skin. What are the symptoms of Paget disease of the breast? The most common symptom of Paget disease is a red, scaly rash involving the nipple and surrounding skin. These changes can look very …
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What is a borderline phyllodes tumour? A borderline phyllodes tumour is a type of breast tumour that shows uncertain behavior 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. …
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What is 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 …
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What is invasive ductal carcinoma with apocrine features? Invasive ductal carcinoma with apocrine features is a rare type of breast cancer. Another name for this type of cancer is invasive apocrine carcinoma. Why is the tumour described as having apocrine features? “Apocrine features” means that the tumour is made up of large pink cells that …
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What is 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 …
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What is 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. In order to be called mucinous carcinoma, at least 90% of the tumour needs to be made up of mucin. Compared to the more common invasive …
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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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What is a 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 …
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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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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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