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What is cancer pheochromocytoma?
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- cancer pheochromocytoma
Pheochromocytoma, tumor that forms in the center of the adrenal gland (gland located above the kidney) that causes it to make too much adrenaline. Pheochromocytomas are usually benign (not cancer) but can cause high blood pressure, pounding headaches, heart palpitations, flushing of the face, nausea, and vomiting. Cancer is a term for diseases in which abnormal cells divide without control and can invade nearby tissues. Cancer cells can also spread to other parts of the body through the blood and lymph systems. There are several main types of cancer. Carcinoma is a cancer that begins in the skin or in tissues that line or cover internal organs. Sarcoma is a cancer that begins in bone, cartilage, fat, muscle, blood vessels, or other connective or supportive tissue. Leukemia is a cancer that starts in blood-forming tissue such as the bone marrow, and causes large numbers of abnormal blood cells to be produced and enter the blood. Lymphoma and multiple myeloma are cancers that begin in the cells of the immune system. Central nervous system cancers are cancers that begin in the tissues of the brain and spinal cord. Also called malignancy.
Preview- For example, there are two major types of cancer of the adrenal gland, both of which are rare: cancers of the cells in the adrenal medulla (the inner part of the adrenal gland) that produce adrenaline and noradrenaline; and cancers of the cells in the adrenal cortex (the outer part of the adrenal gland) that make corticosteroids. Cancers of the adrenal medulla are referred to as pheochromocytomas and cancers of the adrenal cortex are called adrenocortical carcinomas. These two types of cancer are completely different diseases and will be discussed separately. Noradrenaline is a chemical made by some nerve cells and in the adrenal gland. It can act as both a neurotransmitter (a chemical messenger used by nerve cells) and a hormone (a chemical that travels in the blood and controls the actions of other cells or organs). Noradrenaline is released from the adrenal gland in response to stress and low blood pressure. Also called norepinephrine. Adrenal medulla is the inner part of the adrenal gland (a small organ on top of each kidney). The adrenal medulla makes chemicals such as epinephrine (adrenaline) and norepinephrine (noradrenaline) which are involved in sending nerve signals. Adrenal cortex is the outer part of the adrenal gland (a small organ on top of each kidney). The adrenal cortex makes androgen and corticosteroid hormones. Gland is an organ that makes one or more substances, such as hormones, digestive juices, sweat, tears, saliva, or milk. Endocrine glands release the substances directly into the bloodstream. Exocrine glands release the substances into a duct or opening to the inside or outside of the body. Adrenocortical, having to do with or made by the outer layer of the adrenal gland, which produces steroid hormones. There is an adrenal gland on top of each kidney. Adrenaline is a hormone and neurotransmitter. Also called epinephrine. Adrenal gland is a small gland that makes steroid hormones, adrenaline, and noradrenaline. These hormones help control heart rate, blood pressure, and other important body functions. There are two adrenal glands, one on top of each kidney. Also called suprarenal gland.
- It`s been discovered that, MEN-2 results in a high risk of developing medullary thyroid cancer, pheochromocytoma and hyperparathyroidism. VHL is associated with a high risk of kidney cancer as well as pheochromocytoma. When pheochromocytomas arise in people with a family history suggestive of MEN-2 or VHL, the tumors are usually bilateral and multifocal (i.e). Hyperparathyroidism is a condition in which the parathyroid gland (one of four pea-sized organs found on the thyroid) makes too much parathyroid hormone. This causes a loss of calcium from the bones and an increased level of calcium in the blood. Symptoms include bone pain and kidney problems. Kidney cancer, cancer that forms in tissues of the kidneys. Kidney cancer includes renal cell carcinoma (cancer that forms in the lining of very small tubes in the kidney that filter the blood and remove waste products) and renal pelvis carcinoma (cancer that forms in the center of the kidney where urine collects). It also includes Wilms tumor, which is a type of kidney cancer that usually develops in children under the age of 5. Medullary thyroid cancer, cancer that develops in C cells of the thyroid. The C cells make a hormone (calcitonin) that helps maintain a healthy level of calcium in the blood. Thyroid is a gland located beneath the larynx (voice box) that makes thyroid hormone and calcitonin. The thyroid helps regulate growth and metabolism. Also called thyroid gland. Thyroid cancer, cancer that forms in the thyroid gland (an organ at the base of the throat that makes hormones that help control heart rate, blood pressure, body temperature, and weight). Four main types of thyroid cancer are papillary, follicular, medullary, and anaplastic thyroid cancer. The four types are based on how the cancer cells look under a microscope. Family history is a record of the relationships among family members along with their medical histories. This includes current and past illnesses. A family history may show a pattern of certain diseases in a family. Also called family medical history. Bilateral, affecting both the right and left sides of the body. Kidney, one of a pair of organs in the abdomen. The kidneys remove waste and extra water from the blood (as urine) and help keep chemicals (such as sodium, potassium, and calcium) balanced in the body. The kidneys also make hormones that help control blood pressure and stimulate bone marrow to make red blood cells.
- One can deduce that, the two disorders result from mutations of different genes. MEN-2 results in a high risk of developing medullary thyroid cancer, pheochromocytoma and hyperparathyroidism. VHL is associated with a high risk of kidney cancer as well as pheochromocytoma.
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