Warthin tumour is a noncancerous tumour that most often develops in the parotid gland, the largest salivary gland located near the jaw and in front of the ear. It is the second most common type of salivary gland tumour, after pleomorphic adenoma. Warthin tumour is sometimes referred to by older terms, such as papillary cystadenoma lymphomatosum …
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A benign follicular nodule is a non-cancerous lump that forms in the thyroid gland. The thyroid is a small, butterfly-shaped gland located in the front of the neck. It produces hormones that help regulate your metabolism, energy levels, and many important body functions. The word “benign” means that the nodule is not cancerous and does …
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Thrombotic microangiopathy (TMA) is a group of conditions where red blood cells (RBCs) are destroyed by blood clots in small blood vessels such as capillaries and arterioles. TMA is also associated with decreased platelets and organ damage. Diseases in this group include: Disseminated intravascular coagulation (DIC) Thrombotic thrombocytopenic purpura (TTP) Hemolytic uremic syndrome (HUS) TMA …
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Megaloblastic anemia is a type of anemia caused by low levels of vitamin B12 or folate in the body. Anemia means that the number of red blood cells (RBCs) or the amount of hemoglobin in the blood is lower than normal. RBCs which carry oxygen in your blood require vitamin B12 and folate to develop …
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Anemia of chronic disease (ACD) is a type of anemia that develops in people with long-standing illnesses that cause inflammation. Anemia means that the blood has fewer red blood cells than normal or that the red blood cells contain less hemoglobin. Red blood cells are the cells in the blood that carry oxygen from the …
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Iron deficiency anemia is a type of anemia caused by low levels of iron in the body. It is the most common cause of anemia among adults. Common causes include blood loss, pregnancy, and a diet low in iron. What does anemia mean? Anemia means a decreased amount of hemoglobin in the blood. Hemoglobin is …
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Hemolytic anemia is a condition in which the body’s immune system attacks and damages red blood cells (RBCs) in the blood. The damaged RBCs are either removed in the spleen or liver or destroyed in the blood. This process is called immune hemolysis, and over time, it leads to low levels of RBCs in the blood. …
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A dermal nevus is a non-cancerous skin tumour made up of specialized cells called melanocytes. Melanocytes produce melanin, the pigment that gives skin its colour. The term “dermal” is used because the melanocytes in a dermal nevus are located in the dermis, a layer of skin below the surface. This type of growth is commonly …
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A compound nevus is a very common non-cancerous type of skin tumour made up of cells called melanocytes. This type of growth is more common in people with light-coloured skin but can be found anywhere on the body. Another name for a compound nevus is a mole, which is a common term used to describe …
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A junctional nevus is a non-cancerous skin tumour made up of specialized cells called melanocytes. Melanocytes produce melanin, the pigment that gives skin its colour. The term “junctional” is used because the melanocytes in a junctional nevus are located at the junction between the epidermis and the dermis. This type of growth is commonly called …
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