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181 Possible Causes for Cerebellar Hypoplasia, Involuntary Movements, Pendular Nystagmus

  • Spasmus Nutans

    Ocular motility recordings revealed an unusual latent/manifest latent nystagmus, pendular nystagmus with characteristics of an acquired nystagmus, and uniocular saccades.[] It is not clear whether head nodding is a compensatory mechanism to control the nystagmus or an involuntary movement of pathologic origin.[] However, their development in a patient with cerebellar vermian hypoplasia has not been previously described.[]

  • Hereditary Nystagmus

    Nystagmus may also be pendular or, when vision is very poor, of a searching type.[] It is a type of bilateral involuntary eye movement disorder usually manifest as a slow movement in one direction and a rapid motion in the other direction.[] Differential diagnosis for the causes of pathological nystagmus [3] includes: In young kittens Cerebellar hypoplasia/atrophy Wobbly kitten syndrome Chediak-Higashi syndrome[]

  • Nystagmus

    ; Pendular Nystagmus; Acquired Pendular Nystagmus; Left Beat Nystagmus Creator John R.[] […] than that used by the nystagmus in its involuntary movement.[] Mutations in CASK cause X-linked intellectual disability, microcephaly with pontine and cerebellar hypoplasia, optic atrophy, nystagmus, feeding difficulties, GI hypomotility[]

  • Dandy-Walker Syndrome

    Seizures are involuntary muscle movements and/or decreased awareness of the environment due to overexcitement of nerve cells in the brain.[] hypoplasia, hydrocephalus, and posterior fossa cyst formation.[] , rapid, rhythmic eye movements 0000639 Partial absence of cerebellar vermis 0002951 Posterior fossa cyst at the fourth ventricle 0000933 Sporadic No previous family history[]

  • Pelizaeus-Merzbacher Disease

    Magnetic search-coil oculography of three brothers with clinically diagnosed Pelizaeus-Merzbacher disease disclosed the presence of binocular elliptical pendular nystagmus[] movements, ataxia, and hyperreflexia, but without nystagmus; autosomal dominant inheritance [MIM*169500]; type 5, variant forms.[] Hypoplasia (LCH), Polymicrogyria (PMG), Schizencephaly (SCH), Muscle-Eye-Brain (MEB) Disease, and Walker-Warburg syndrome (WWS), 17p13.3 deletion] Liver conditions (biliary[]

  • Alcoholic Cerebellar Degeneration

    Unusual and involuntary movements of legs or arms 4. Slowed and slurred speech 5. Nystagmus (quick, small actions of the eyes.)[] […] parallels peak BAC Stage of development not an important factor Cerebellar Hypoplasia 14.[] movements referred to as the “infantile tremor syndrome”.[]

  • Cerebellar Hemorrhage

    BACKGROUND: Myoclonus is a clinical sign characterized by sudden, brief jerky, shock-like involuntary movements of a muscle or group of muscles.[] We report a case of fetal cerebellar hemorrhage and hypoplasia, identified by fetal MRI after intrauterine blood transfusion at 21 weeks' gestation for treatment of severe[] Postnatal MRI confirmed atrophy of bilateral cerebellar hemispheres and inferior vermis.[]

  • Subacute Cerebellar Degeneration

    Nystagmus, skew deviation, disconjugate saccades, and altered ocular pursuit can be present.[] People with subacute cerebellar degeneration due to thiamine deficiency may also experience quick involuntary movements of the eyeball ( nystagmus ), double-vision, dizziness[] Diffuse cerebellar atrophy can be difficult to distinguish from global cerebellar hypoplasia on a single study and can only be distinguished from the latter by demonstrating[]

  • Horizontal Gaze Palsy with Progressive Scoliosis

    Horizontal gaze palsy with progressive scoliosis (HGPPS) is a rare clinical condition characterized by a combination of horizontal gaze palsy, pendular nystagmus and scoliosis[] , rapid, rhythmic eye movements 0000639 Short neck Decreased length of neck 0000470 5%-29% of people have these symptoms Seizures Seizure 0001250 Sensorineural hearing impairment[] Familial paralysis of horizontal gaze: associated with pendular nystagmus, progressive scoliosis, and facial contraction with myokymia.[]

  • Congenital Non-Progressive Ataxia

    nystagmus and reduced vision.[] In many cases, people with aniridia may also exhibit repeated, involuntary movements of the eye (nystagmus).[] Clinical evaluation showed bilateral superior coloboma, foveal hypoplasia, and inferior cerebellar hypoplasia.[]

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