ANEMIA PERNICIOSA JUVENIL PDF

(Anemia Perniciosa Juvenil; Anemia Perniciosa Congénita). vnacarenewengland .org La anemia perniciosa que ocurre al nacer (congénita) es hereditaria. Pernicious anemia is a rare blood disorder characterized by the inability of the body to properly utilize vitamin B12, which is essential for the development of red . Anemia perniciosaEs una disminución en los glóbulos rojos que ocurre cuando los intestinos no pueden absorber apropiadamente la vitamina B Ver.

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The Johns Hopkins University. Bone marrow is the spongy substance found in the center of the long bones of the body. Pernicious anemia is treated by injection of vitamin B12 hydroxocobalamin or pernicioea into the muscle. Investigational Therapies Information on current clinical trials is posted on the Internet at www. Most affected infants develop a form of anemia known as megaloblastic anemia.

Males have one X and one Y chromosome and females have two X chromosomes. Information on current clinical trials is posted on the Internet at www. The Merck Manual-Home Edition. Most people with the disorder have abnormally low red blood cell counts anemia. Affected infants may experience repeated episodes of extreme anemia and jaundice. Pairs of human chromosomes are numbered from 1 through 22 and the sex chromosomes are designated X and Y.

Other types of blood cells e.

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The vitamin is labeled with radioactive cobalt and is ingested by mouth. Years Published,, Symptoms of pernicious anemia may include fatigue, shortness of breath, rapid heart rate, jaundice or pallor, tingling and numbness of hands and feet, loss of appetite, diarrhea, unsteadiness when walking, bleeding gums, impaired sense of smell, and confusion. Related Disorders Acquired aplastic anemia Acquired aplastic anemia is a rare disorder caused by profound, almost complete bone marrow failure.

In general, risk pernicosa for pernicious anemia include a family history of the disease, being of Northern European or Scandinavian descent, and a history of autoimmune endocrine disorders. All individuals carry a few abnormal genes. Cecil Textbook of Medicine. The mature blood cells, in addition to being fewer in number, may not function properly due to distortions in their shape. These however progress comparatively slowly; so slowly that the signs of neurological deficits may precede those associated with the decline in blood capacity.

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Similarly gene map loci 14q32 and 10p Diagnosis The diagnosis of pernicious anemia may be confirmed by a thorough clinical evaluation, including a detailed patient history and specialized laboratory tests. Some children with the juvenile form of the disease have blood protein present in their urine persistent proteinuria and some may juvennil urinary tract malformations.

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Other problems involving urinary function may also develop. Bennett JC, Plum F, eds. University of Maryland Medical Center.

Pernicious anemia is thought to be an autoimmune disorder, and certain people may have a genetic predisposition to this disorder. The bone marrow produces specialized cells hematopoietic stem cells that grow and eventually develop into red blood cells erythrocyteswhite blood cells leukocytesand platelets.

The myelodysplastic syndromes are a group of diseases that affect bone marrow. Some people with Pernicious Anemia may have an abnormally enlarged liver hepatomegaly or spleen splenomegaly. In acquired aplastic anemia, an almost complete absence of hematopoietic stem cells eventually results in low levels of red and white blood cells and platelets pancytopenia. Vitamin B12 deficiency is characterized by abnormally low levels of circulating B12 due to a poor diet or inadequate absorption of this vitamin by the stomach.

During a Schilling test, the intestines’ ability to absorb vitamin B12 is measured. It is believed that a significant number of cases go undiagnosed. Recessive genetic disorders occur when an individual inherits the same abnormal gene for the same trait from each parent. There is also a juvenile form of the disease, but pernicious anemia typically does not appear before the age of People with pernicious anemia must continue to receive maintenance doses of vitamin B12 throughout life.

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The symptoms of juvenile pernicious anemia are usually obvious between the ages of 4 and 28 months.

Mental retardation is also common in infants with penriciosa pernicious anemia. Pernicious anemia is more common among people from northern Europe, Scandinavia, and North America than among those from other parts of the world. Slightly more women than men are affected by pernicious anemia. Weight loss is also common. Pernicious anemia is a rare blood disorder characterized by the inability of the body to properly utilize vitamin B12, which is essential for the development of red blood cells.

Together we are strong. Human body cells normally have 46 chromosomes. Healthy bone marrow produces immature blood cells that then develop pernicipsa red blood cells, white blood cells, and platelets. The initial symptoms may include diarrhea, vomiting, a profound loss of appetite anorexiaand weight loss. The congenital and juvenile forms are thought to be inherited as autosomal recessive traits. If pernicious anemia is ignored, undiagnosed, or left untreated, life-threatening complications can occur.

Genetic diseases are determined by the combination of genes for a particular trait that are on the chromosomes received from the father and the mother. Megaloblastic anemia Megaloblastic anemia is a rare blood disorder characterized by the presence of abnormal white blood cells, low white blood cell counts, and abnormally low levels of circulating platelets.