A radial scar, also known as a complex sclerosing lesion, is a non-cancerous growth in the breast characterized by an increased number of glands and ducts around a central scar. Although non-cancerous, this condition is associated with a small increased risk of developing breast cancer when compared to women without radial scars. What are the …
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Oligodendroglioma is a type of brain tumour that starts in glial cells, the supporting cells of the brain. It is considered a diffuse glioma, meaning the tumour tends to spread into the surrounding brain tissue. Two specific genetic features define this type of tumour: A mutation in the IDH1 or IDH2 gene. Loss (codeletion) of …
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Mucoepidermoid carcinoma is a type of salivary gland cancer. The salivary glands are small saliva-producing organs located in the head and neck. Although less common, this type of cancer can also be found in the nasal cavity and lungs. Mucoepidermoid carcinoma comprises three types of cells: mucus-producing cells, epidermoid (squamous-like) cells, and intermediate cells that …
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What is a mucinous borderline tumour? A mucinous borderline tumour is a non-cancerous type of ovarian tumour. While the tumour is considered non-cancerous, it is associated with a small risk of turning into cancer over time. The behaviour of this tumour is thought to fall somewhere in between a mucinous cystadenoma which is a non-cancerous …
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What is a malignant peripheral nerve sheath tumour? A malignant peripheral nerve sheath tumour (MPNST) is a cancer that develops from a nerve and a type of sarcoma. Most malignant peripheral nerve sheath tumours occur in adults. Common locations include the neck, arm, leg and buttock. What is a nerve? Nerves are like long wires …
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What is a neurofibroma? A neurofibroma is a common non-cancerous type of tumour that starts from the cells normally found in a nerve. It is the most common type of benign peripheral nerve sheath tumour. What is a nerve? Nerves are like long wires made up of groups of cells called neurons. Nerves transmit information …
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What is nodular fasciitis? Nodular fasciitis is a non-cancerous type of tumour that develops from fibrous tissue. This type of tumour typically occurs in young adults and although they can arise anywhere in the body, it is more common in the head, arm, or back. Sometimes nodular fasciitis grows quickly which can cause concern for …
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What is lichen sclerosus of the vulva? Lichen sclerosus of the vulva is a non-cancerous inflammatory skin condition. If left untreated, this condition can change over time into a pre-cancerous disease called differentiated vulvar intraepithelial neoplasia (dVIN). Differentiated vulvar intraepithelial neoplasia is considered a pre-cancerous disease because it can lead to a type of vulvar …
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Background: Leiomyosarcoma is a type of cancer that starts in smooth muscle cells. Smooth muscle is the type of muscle that is found in many parts of the body, including the walls of blood vessels, the digestive tract, and the uterus. Unlike the muscles that move our arms and legs, smooth muscle works without us …
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A hemangioma is a non-cancerous tumour made up of an abnormal collection of blood vessels. These tumours often appear red to blue and typically have a well-defined border separating them from the surrounding normal tissue. Hemangiomas can occur anywhere on the body but are most commonly found on the skin, head, neck, and liver. The …
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