Sinonasal angiofibroma, a locally aggressive but benign tumour originating in the nasal cavity or nasopharynx, exclusively affects males. Alternative names for this tumour include juvenile angiofibroma and nasopharyngeal angiofibroma. What are the symptoms of sinonasal angiofibroma? The symptoms of this condition encompass recurring nosebleeds and nasal congestion, while more extensive tumours may induce facial deformities, …
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B-lymphoblastic leukemia, also known as B-cell acute lymphoblastic leukemia (B-ALL), and B-lymphoblastic lymphoma (B-LBL), are related cancers made up of immature B cells called lymphoblasts. It is primarily a disease of children (75% of cases occur in children < 6 years old) with an estimated annual incidence of 1-5 cases per 100,000 population. What are …
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Hypertrophic candidiasis, also known as chronic hyperplastic candidiasis, is a non-cancerous condition caused by infection of the fungus Candida. This condition is characterized by the development of flat, white growths on the surface of the tissue in the oral cavity. The diagnosis is typically based on clinical examination and may involve microscopic examination or culture …
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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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Epithelioid hemangioendothelioma (EHE) is a rare type of cancer made up of endothelial cells, the specialized cells normally found on the inside of blood vessels. Where is this type of cancer typically found in the body? Common locations for EHE include the lungs, liver, bone, and soft tissue. What are the symptoms of epithelioid hemangioendothelioma? …
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A vascular lesion is a growth made up predominantly of endothelial cells forming abnormal blood vessels. The term vascular lesion can be applied to a wide group of conditions including benign (noncancerous) tumours, intermediate (locally aggressive) tumours, malignant (cancerous) tumours, congenital/development abnormalities, and reactive conditions. Vascular lesions can occur in any part of the body …
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Intraductal pancreatic mucinous neoplasm (IPMN) is a non-cancerous type of pancreatic tumour. Although this type of tumour is considered non-cancerous, it has the potential to change into a type of pancreatic cancer called adenocarcinoma over time. The risk of developing cancer is higher for tumours that arise in the main pancreatic duct and for those …
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Basal cell adenocarcinoma is a type of salivary gland cancer. The salivary glands are a group of small organs found predominantly in the head and neck. Most tumours are found in the parotid gland, the largest salivary gland located in the neck just under the ear. About this article This article was written by doctors …
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T-lymphoblastic leukemia (also known as T-cell acute lymphoblastic leukemia or T-ALL) and T-lymphoblastic lymphoma (T-LBL) are cancers made up of immature T cells called lymphoblasts. These cancer are primarily seen in teens and children but can occur in adults about 25% of the time. What is the difference between T-lymphoblastic leukemia and T-lymphoblastic lymphoma? T-ALL …
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What is focal nodular hyperplasia of the liver? Focal nodular hyperplasia (FNH) is a noncancerous type of growth in the liver. It is much more common in young women and it rarely occurs in men or children. What causes focal nodular hyperplasia of the liver? At the present time, we do not completely understand what …
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