Oligodendroglioma is a type of brain tumor that develops from glial cells, the supporting cells of the central nervous system. It belongs to a larger group of tumors called diffuse gliomas. Diffuse gliomas are infiltrative, which means the tumor cells spread into the normal brain tissue around them and cannot be fully separated from it …
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Mucoepidermoid carcinoma is a type of cancer that starts in the salivary glands — the glands that make saliva. It is the most common salivary gland cancer in both adults and children. Mucoepidermoid carcinoma can also start in less common locations, including the lungs, the lining of the sinuses, and other glands of the head …
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A mucinous cystadenoma is a common, noncancerous (benign) type of ovarian tumor. It is made up of one or more fluid-filled spaces called cysts, lined by cells that produce a thick, gelatinous, mucus-like fluid called mucin. Although a mucinous cystadenoma is not cancer and does not spread to other parts of the body, it can …
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Mucinous borderline tumor is a type of ovarian tumor that is not cancer, but is also not a completely benign growth. It belongs to a group of tumors called borderline tumors, which sit between clearly benign tumors and cancer. The behavior of a mucinous borderline tumor falls somewhere between a mucinous cystadenoma, which is a …
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Mature teratoma of the ovary is a noncancerous (benign) ovarian tumor. It is one of the most common ovarian tumors, accounting for about 20% of all ovarian neoplasms, and it can occur at any age, though it is most often diagnosed in women of reproductive age. Mature teratoma is also known as a mature cystic …
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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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A low-grade mucinous neoplasm of the appendix (LAMN) is a tumor made up of mucin-producing cells that grow along the inside lining of the appendix. These cells look only mildly abnormal under the microscope but can make large amounts of mucin, a jelly-like substance. As mucin builds up, the appendix may swell, and in some …
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Lichen sclerosus of the vulva is a long-term, noncancerous inflammatory skin condition. It causes the vulvar skin to become thin, pale, and fragile, often leading to long-standing itching and discomfort. Lichen sclerosus most commonly affects the skin of the vulva and the area around the anus, and it can occur at any age, although it …
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