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480 Possible Causes for Family History of Mental Retardation

  • Parkinson's Disease

    A preliminary investigation of laterality in Parkinson’s disease and susceptibility to psychosis SUKHWINDER S SHERGILL Department of Psychological Medicine, Institute of Psychiatry, London, UK Department of Academic Psychiatry, University College London Medical School, London, UK Dr SS Shergill, Clinical Research Fellow,[…][]

  • Hallervorden-Spatz Syndrome

    Neuropediatrics 1994; 25(5): 265-267 DOI: 10.1055/s-2008-1073034 Short communication Georg Thieme Verlag KG Stuttgart · New York I. Casteels 1, W. Spileers 1, T. Swinnen 1, Ph. Demaerel 2, J. Silberstein 3, P. Casaer 3, L. Missotten 1 1 Department of Ophthalmology, U.Z. Leuven - Belgium 2 Department of Radiology, U.Z.[…][]

  • Pseudohypoparathyroidism

    Pseudohypoparathyroidism is a condition associated primarily with resistance to the parathyroid hormone. Those with the condition have a low serum calcium and high phosphate, but the parathyroid hormone level (PTH) is appropriately high (due to the low level of calcium in the blood). Its pathogenesis has been linked[…][]

  • Niemann-Pick Disease

    Niemann-Pick disease (NPD) is an autosomal recessive disorder, observed most frequently in Ashkenazi Jews, where there is a deficiency of the lysosomal enzyme sphingomyelinase, leading to accumulation of sphingomyelin in cells of the monocyte-macrophage system and reticular endothelial cells. Patients with type A NPD[…][]

  • Pelizaeus-Merzbacher Disease

    Pelizaeus–Merzbacher disease is a rare central nervous system disorder in which coordination, motor abilities, and intellectual function are delayed to variable extents. [2] Signs and symptoms [ edit ] Hallmark signs and symptoms of Pelizaeus-Merzbacher disease include little or no movement in the arms or legs,[…][]

  • Globoid Cell Leukodystrophy

    Globoid cell leukodystrophy is a rare, degenerative disease associated with progressive demyelination; symptom onset typically occurs in infancy. Globoid cell leukodystrophy may also be referred to as Krabbe disease. Patients suffering from type 1 GLC generally present during the first six months of their life.[…][]

  • Tay-Sachs Disease

    retardation.[] History and Disease Description In 1881 Warren Tay, a British ophthalmologist, observed a "cherry red spot" in the retina of a one-year-old child with mental and physical[] Carriers can be identified by DNA or enzyme tests and prenatal diagnosis is available to at-risk families.[]

  • Oculocerebrorenal Syndrome

    A directed interview, focusing on a maternal family history of male relatives with unexplained mental retardation, early institutionalization, or congenital rubella, is appropriate[]

  • Ataxia Telangiectasia

    Ataxia telangiectasia (AT) is a rare neurodegenerative disorder inherited through an autosomal recessive pattern, mainly characterized by a progressive neurologic impairment together with cerebellar ataxia. The severity of AT varies between the subjects. Ataxia is undoubtedly one of the most important sings, and[…][]

  • Diffuse Cerebral Sclerosis of Schilder

    Adrenocortical Atrophy and Diffuse Cerebral Sclerosis Abstract A boy, diagnosed as having Addison's disease due to idiopathic atrophy of the adrenal glands at the age of 7 years, developed the first evidence of what was originally thought to be Schilder's disease' at 8 years and 10 months. He died at 9 years and[…][]

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