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23 Possible Causes for Microcephaly (2-3 SD)

Did you mean: Microcephaly (2-3 SD

  • TORCH Syndrome

    The principal neuroimaging findings in CZS include microcephaly (ie, head circumference 2-3 SD less than mean at a given age), brain parenchymal calcifications (mostly punctate[] The principal neuroimaging findings in CZS include microcephaly (ie, head circumference 23 SD less than mean at a given age), brain parenchymal calcifications (mostly punctate[]

  • Carrington Syndrome

    Microcephaly is defined as an occipitofrontal circumference (OFC) of at least 2 or 3 SDs below population norms for age and sex ( 43 ).[] Of many possible causes for LB1’s microcephaly, few were systematically investigated. Here we consider DS as a diagnosis for the reasons already stated.[]

  • Microcephaly

    […] those with milder microcephaly (-2 to -3 SD; approximately 40%).[] Children with severe microcephaly (head circumference -3 SD) are more likely ( approximately 80%) to have imaging abnormalities and more severe developmental impairments than[]

  • Dysequilibrium Syndrome

    Microcephaly (-3 to -4 SD below the mean) has been reported in a few affected individuals. Life span.[] Short stature (height just below the 2 nd centile) is a feature in a few affected individuals. Deep tendon reflexes in the lower extremities tend to be brisk.[]

  • Severe Neonatal-Onset Encephalopathy with Microcephaly

    Discussion Microcephaly is usually defined as an occipitofrontal head circumference (OFC) more than 2 standard deviations (SD) below the mean for sex, age and ethnicity.[] . Incidence of moderate to severe mental retardation  HC from 2-3 SD below the age is 33%.  HC 3 SD, incidence is 62% Not always associated with mental retardation 5.[] Severe microcephaly is used for OFC 3 standard deviations. Rates of microcephaly range from 0.5-12 patients/10,000 live births.[]

  • Malpuech Syndrome

    Three sibs in 1 family had postnatal microcephaly (-2 to -3 SD).[] Symptoms INHERITANCE: Autosomal recessive GROWTH: [Other]; Poor growth (1 patient) HEAD AND NECK: [Head]; Microcephaly (-2 to -3 SD) (in some patients); [Ears]; Large fleshy[]

  • Microcephalic Osteodysplastic Primordial Dwarfism Type II

    He started walking at 3 years, speaking with single words at 2 years, and he cannot make sentences yet.[] On physical examination, height was 86 cm (-8.9 SDS), weight 8.4 kg (-7.9 SDS), BMI 11.4 kg/m2 (-5.6 SDS), and head circumference was 37.7 cm (-9.1 SDS).[] He had prominent nose, microcephaly, micrognathia, and microdontia. There were areas of hypo- and hyperpigmentation, cutis marmorata, and few cafe au lait spots on skin.[]

  • Oculo-Palato-Cerebral Syndrome

    3) Short Stature (SD) Upperllower segment ratio (SD) Small Hands (SD) Small Feet (SD) Midline Cleft Palate Large pointed ears Undescended testes Microphthalmos Secondary[] Mental Retardation Microcephaly (SD) Spasticity Deafness Connective Tissue Abnormality: Soft skin, visible veins Joint hypermobility Limited elbow extension Kyphoscoliosis[] […] in the 3 affected cases Case Age when last seen Neonatal: Gestational hypertension low birth weight (SD) Neonatal hypotonia Oxygen therapy Features: Typical face (Figs. 2,[]

  • Sclerosteosis Type 2

    Poor growth (1 patient), microcephaly (-2 to -3 SD) (in some patients), large fleshy earlobes, hypertelorism, upslanting palpebral fissures, broad nasal bridge and tip, tented[]

  • Ring Chromosome 10

    The newborn girl had growth retardation; birth weight 2570 g (-2 SD), length 43 cm (-3 SD), and microcephaly with head circumference 31 cm (-2 SD).[]

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