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4,928 Possible Causes for Mental Retardation (if Untreated)

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  • Mental Retardation

    Inborn errors of metabolism can cause brain damage and mental retardation if left untreated. Phenylketonuria is an inborn error of metabolism.[] Inborn errors of metabolism can cause brain damage and mental retardation if left untreated.[] Mental Retardation Definition Mental retardation is a developmental disability that first appears in children under the age of 18.[]

  • X-Linked Intellectual Disability-Psychosis-Macroorchidism Syndrome

    An X-linked recessive basal ganglia disorder with mental retardation.[] (DO) Synonyms: exact_synonym: Lindsay-Burn syndrome; MRX16; MRX79; MRXS13; PPM-X; PPMX; X-linked mental retardation 16; X-linked mental retardation 79; X-linked mental retardation[] […] deficit, X-linked - psychosis - macroorchidism; Mental retardation psychosis macroorchidism; Mental retardation, X-linked, syndromic 13; MRXS13; Mental retardation with psychosis[]

  • Dyggve-Melchior-Clausen Syndrome

    […] syndrome (DMC) except for mental retardation.[] Mental retardation - The second crucial feature of DMC syndrome is mental retardation, varying from moderate to severe.[] An 18-year-old mentally retarded girl with short-trunked dwarfism is described as a case of the Dyggve-Melchior-Clausen syndrome.[]

  • Sjögren-Larsson Syndrome

    When ichthyosis is associated with spasticity and mental retardation, one should consider SLS.[] Sjögren-Larsson syndrome is an autosomal-recessive hereditary disorder involving congenital ichthyosis, mental retardation, and spastic diplegia or tetraplegia.[] The Sjögren-Larsson syndrome is a rare condition characterized by ichthyosis, spasticity, and mental retardation.[]

  • Mowat-Wilson Syndrome

    The mental retardation, usually severe, was constant; the delay in the acquisition of motor skills was more variable (table 2).[] The genotype-phenotype analysis confirmed that ZFHX1B deletions and mutations result in a recognizable facial dysmorphism with a multiple congenital anomaly and mental retardation[] Late infantile Hirschsprung disease-mental retardation syndrome with a 3-bp deletion in ZFHX1B. Neurology 2002 ; 59 : 1637 –40.[]

  • Acrocallosal Syndrome

    retardation.[] Jump to search syndrome that is an autosomal recessive disorder, which is characterized by corpus callosum agenesis, polydactyly, multiple dysmorphic features, motor and mental[] retardation Mental retardation, severe Severe mental retardation [ more ] 0010864 Macrocephaly Large head circumference Large head Increased size of skull [ more ] 0000256[]

  • Coffin-Lowry Syndrome

    Fraser: A new dominant gene mental retardation syndrome: associated with small stature, tapering fingers, characteristic facies, and possible hydrocephalus.[] Coffin-Lowry syndrome (CLS) is an X-linked mental retardation syndrome caused by defects in the RSK2 gene.[] However, in one family (MRX19), a missense mutation was associated solely with mild mental retardation and no other clinical feature.[]

  • Rubinstein-Taybi Syndrome

    The patient appeared to be hyperactive and mentally retarded.[] The woman had a marked learning disability, but no mental retardation.[] RESULTS: The comparison of CREBBP-mutated RSTS cell lines with cell lines derived from patients with an unrelated mental retardation syndrome or healthy controls revealed[]

  • Phenylketonuria

    The result is mental retardation in infants or young children if the disorder is untreated.[] Clinical features in the untreated patient include mental retardation, defects in executive functioning, seizures, and eczema.[] Mental retardation may develop gradually and may not be evident for a few months.[]

  • Profound Mental Retardation

    Inborn errors of metabolism can cause brain damage and mental retardation if left untreated. Phenylketonuria is an inborn error of metabolism.[] Two profoundly mentally retarded, unrelated males are reported with an unidentified multiple congenital anomaly/mental retardation syndrome, including early balding, patella[] Infants looked longer at red and yellow cards than did students with profound mental retardation.[]

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