define polycystic
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Overview Polycystic kidney disease (PKD) is an inherited disorder in which clusters of cysts develop primarily within your kidneys. Cysts are noncancerous round sacs containing water-like fluid. The cysts vary in size and, as they accumulate more fluid, they can grow very large. Although kidneys usually are the most severely affected organs, polycystic kidney disease can cause cysts to develop in your liver and elsewhere in your body. The disease causes a variety of serious complications. A common complication of polycystic kidney disease is high blood pressure.
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Alone we are rare. Together we are strong.â¥ Donate Today Autosomal recessive polycystic kidney disease (ARPKD) is a rare genetic disorder characterized by the formation of fluid-filled sacs (cysts) in the kidneys. The severity of the disorder and the specific symptoms can vary greatly from one person to another.
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Polycystic kidney disease Polycystic kidney disease (PKD or PCKD, also known as polycystic kidney syndrome) is a genetic disorder in which abnormal cysts develop and grow in the kidneys. Cystic disorders can express themselves at any point, infancy, childhood, or adulthood.The disease occurs in humans and some other animals.PKD is characterized by the presence of multiple cysts (hence, polycystic) typically in both kidneys; however, 17% of cases initially present with observable disease in one kidney, with most cases progressing to bilateral disease in adulthood.utosomal dominant polycystic kidney disease (ADPKD) is the most common of all the inherited cystic kidney diseases with an incidence of 1:500 live births. Studies show that 10% of end-stage kidney disease (ESKD) patients being treated with dialysis in Europe and the U.S. were initially diagnosed and treated for ADPKD.
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Pancreatic pseudocyst A pancreatic pseudocyst is a circumscribed collection of fluid rich in pancreatic enzymes, blood, and necrotic tissue, typically located in the lesser sac of the abdomen. Pancreatic pseudocysts are usually complications of pancreatitis, although in children they frequently occur following abdominal trauma.
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Polycystic Ovary Syndrome Polycystic ovary/ovarian syndrome (PCOS) is a hormonal disorder defined by a group of signs and symptoms.These may include: 1  Irregular or absent menstrual periods. 2  Excessive hair on the face and body. 3  Acne. 4  Thinning hair on the scalp. 5  Infertility. 6  Ovaries with characteristic polycystic appearance or polycystic ovary (PCO).olycystic ovary/ovarian syndrome (PCOS) is a hormonal disorder defined by a group of signs and symptoms.
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Genetics of polycystic ovary syndrome: searching for the way out of the labyrinth Polycystic ovary syndrome (PCOS) is a complex and heterogeneous disorder presenting a challenge for clinical investigators. It is the most common endocrine disorder of women in reproductive age, a multifaceted reproductive, cosmetic and metabolic problem, with an enigmatic pathophysiological and molecular basis.he genetic spectrum of polycystic ovary syndrome. The spectrum of evidence for PCOS genetic basis is very broad supporting the molecular basis of this abnormality but by no means is adequate to interpret the pathogenesis of the syndrome.
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Polycystic Ovary Syndrome (PCOS) What is PCOS? Polycystic ovary syndrome is the most common hormone abnormality of reproductive-aged women, occurring in up to 10% of such individuals. It is characterized by overproduction of the androgen testosterone, menstrual abnormalities when ovulation does not occur and enlarged ovaries containing multiple small follicles (polycystic ovaries).
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polycythemia an increase in the circulating red blood cell mass. There are two distinct forms: Primary polycythemia is a myeloproliferative disorder of unknown etiology. It occurs as an inherited defect in cattle and is a rare disease in dogs and cats.
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Polycystic kidney disease Polycystic kidney disease is a disorder that affects the kidneys and other organs. Clusters of fluid-filled sacs, called cysts, develop in the kidneys and interfere with their ability to filter waste products from the blood. The growth of cysts causes the kidneys to become enlarged and can lead to kidney failure.
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- [ Top 1  ]. Polycystic kidney disease (PKD) is a genetic disorder that causes numerous cysts to grow in the kidneys. 2  A gene mutation, or defect, causes polycystic kidney disease. 3  Autosomal dominant PKD is the most common form of PKD and the most common inherited disorder of the kidneys.
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- polygenic inheritance. noun, Genetics. 1. the heredity of complex characters that are determined by a large number of genes, each one usually having a relatively small effect. Compare quantitative inheritance. Origin of polygenic inheritance.
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Secondary Polycythemia Secondary Polycythemia Secondary polycythemia - also called reactive polycythemia - is characterized by excessive production of circulating red blood cells (RBCs) due to hypoxia, tumor, or disease. It occurs in about 2 out of every 100,000 persons who live at or near sea level; incidence increases among people who live at high altitudes.
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Polycystic Ovary Syndrome Polycystic ovary syndrome (PCOS) is the most common hormone abnormality of reproductive-age women, the most common cause of infertility in women and an important harbinger of metabolic disorders such as diabetes and heart disease.
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Polycystic kidney disease Summary Summary. Polycystic kidney disease refers to a group of inherited kidney disorders characterized by the presence of multiple cysts in both kidneys. Normal kidney tissue is replaced by fluid-filled sacs that interfere with the their ability to filter waste products from the blood.
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polycythemia [pol″e-si-the´me-ah] an increase in the total red blood cell mass of the blood; called also erythrocythemia, hypercythemia, and hypererythrocythemia. There are two distinct forms of the disease: Primary polycythemia (polycythemia vera) is a myeloproliferative disorder of unknown etiology.
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- Page Content. Polycystic kidney disease (PKD), the most common form of familial kidney disease, causes the kidneys to grow many cysts (sacks of fluid), which over time get bigger and bigger. PKD often leads to kidney failure.
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Polycythemia Polycythemia is an increased number of red blood cells in the blood. In polycythemia, the levels of hemoglobin (Hgb), hematocrit (Hct), or the red blood cell (RBC) count may be elevated when measured in the complete blood count (CBC), as compared to normal. Hemoglobin levels greater than 16.5 g/dL (grams per deciliter) in women and greater than 18.5 g/dL in men suggest polycythemia.
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Polycystic kidney disease Polycystic kidney disease (PKD or PCKD, also known as polycystic kidney syndrome) is a genetic disorder in which abnormal cysts develop and grow in the kidneys.[1] Cystic disorders can express themselves at any point, infancy, childhood, or adulthood.[2] The disease occurs in humans and some other animals.
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Polycystic Ovarian Syndrome (PCOS, POS, POD, Stein-Leventhal Syndrome) What is polycystic ovarian syndrome (PCOS)? Polycystic ovarian syndrome (PCOS), also known by the name Stein-Leventhal syndrome, is a hormonal problem that causes women to have a variety of symptoms. It should be noted that most women with the condition have a number of small cysts in the ovaries.
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polycystic kidney disease Polycystic kidney disease (PKD) is one of the most common of all life-threatening human genetic disorders. It is an incurable genetic disorder characterized by the formation of fluid-filled cysts in the kidneys of affected individuals.
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polygenic inheritance polygenic inheritance (multifactorial inheritance; quantitative inheritance) The determination of a particular characteristic, e.g. height or skin colour, by many genes (polygenes), each having a small effect individually. Characteristics controlled in this way show continuous variation. Cite this article.
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- fibrocystic definition: designating or of a condition characterized by fibrosis and the development of benign cysts, esp. in the breasts...
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- Polycythemia is the term for an excess of red blood cells. Polycythemia is the medical term for an excess of red blood cells. polycythaemia and erythrocytosis Polycythemia is …the medical term meaning excessive red blood cells.
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Polycystic Kidney Disease Autosomal dominant polycystic kidney disease (ADPKD) is a multisystemic and progressive disorder characterized by cyst formation and enlargement in the kidney (see the image below) and other organs (eg, liver, pancreas, spleen).Up to 50% of patients with ADPKD require renal replacement therapy by 60 years of age.utosomal dominant polycystic kidney disease (ADPKD) is one of the most common inherited disorders in humans. It is the most frequent genetic cause of renal failure in adults, accounting for 6-8% of patients on dialysis in the United States.
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Polycystic ovarian syndrome (PCOS) Polycystic ovary syndrome (PCOS) is a complex hormonal condition. PCOS can be associated with problems such as irregular menstrual cycles, excessive facial and body hair growth, acne, obesity, reduced fertility and increased risk of diabetes. PCOS can be diagnosed by taking a medical history, examination, blood tests and an ultrasound.