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497 Possible Causes for Generalized Polyspikes, Generalized Spike-and-Slow-Waves, Mild Cerebellar Hypoplasia

  • Benign Adult Familial Myoclonic Epilepsy

    , high-amplitude spike and slow-wave complexes 3.5 Hz, typically 4 s duration.  Absence seizures in JAE are more sporadic.  EEG is slightly faster with generalized spike[slideshare.net] hypoplasia-hydranencephaly syndrome Multiple acyl-CoA dehydrogenase deficiency Multiple acyl-CoA dehydrogenase deficiency, mild type Multiple acyl-CoA dehydrogenase deficiency[orpha.net] We randomly selected 10 generalized spike/polyspike and wave complexes (GSW) for each BAFME patient and measured the duration of them.[ncbi.nlm.nih.gov]

  • West Syndrome

    Lennox-Gastaut Syndrome: LGS is characterized by multiple types of seizures and an abnormal EEG with generalized slow spikewave discharges.[cdkl5.com] Magnetic resonance imaging of the brain revealed mild cerebral and cerebellar atrophy, high-signal-intensity areas in the white matter, and hypoplasia of the corpus callosum[ncbi.nlm.nih.gov] The generalized tonic seizures began with bi-frontal polyspikes on EEG. Our diagnosis was lissencephaly presenting with West syndrome and generalized tonic seizures.[ncbi.nlm.nih.gov]

  • Juvenile Myoclonic Epilepsy

    […] multiple spike and spike slow wave discharges (in an untreated patient).8 The possible factors responsible for the delay in the diagnosis of JME were studied retrospectively[neurologyindia.com] Generalized tonic-clonic seizures, photosensitivity and generalized polyspike-wave discharges provoked by eye closure are features of both epileptic syndromes.[ncbi.nlm.nih.gov] slow wave discharges.[en.wikipedia.org]

    Missing: Mild Cerebellar Hypoplasia
  • Epilepsy

    Electroencephalography (EEG) showed progressively slowed background activity and sporadic generalized spike-and-wave discharges.[ncbi.nlm.nih.gov] Generalized polyspike-slow wave in EEG was common to see in myoclonic seizure and can help to make the classification.[ncbi.nlm.nih.gov] […] slowing MRI-normal C-VI-7 16 yrs 9 mths 10 yrs GTCS, abs, MJ, FS 9 mths Mild – 6 yrs: generalized slowing 15 yrs: generalized polyspike wave MRI-normal C-VI-8 12 yrs 6 mths[brain.oxfordjournals.org]

    Missing: Mild Cerebellar Hypoplasia
  • Generalized Clonic or Tonic-Clonic Seizures

    , poly spike discharges." [2] The clonic phase EEG will show "high amplitude activity that is typically interrrupted by slow waves to create a spike-and-slow-wave pattern.[en.wikipedia.org] […] spike-and-wave, or generalized polyspike-and-wave complexes.[jstage.jst.go.jp] EEG: Usually normal background, with generalized spike and wave or generalised polyspike and wave.[pennsw.com.au]

    Missing: Mild Cerebellar Hypoplasia
  • Myoclonic-Astatic Epilepsy

    The interictal EEG revealed frequent bursts of generalized 100-200 μV, 2-4 Hz spike-and-slow-wave complexes.[ncbi.nlm.nih.gov] Analysis of the ictal EEGs showed that all attacks corresponded to the generalized spike or polyspikes-and-wave complexes.[ncbi.nlm.nih.gov] In the former, EDA were caused by epileptic spasms (ES) corresponding to generalized biphasic slow discharges, sharp-and-slow wave complexes, or the flattening of ongoing[ncbi.nlm.nih.gov]

    Missing: Mild Cerebellar Hypoplasia
  • Idiopathic Generalized Epilepsy

    […] epilepsy K complex lambda mu OIRDA PLEDs phantom spike and wave photic driving photoparoxysmal response photomyogenic artifact poly spike and wave posterior dominant rhythm[eegatlas-online.com] These patients had no family history of epilepsy, normal neurological evaluation, normal neuroimaging, interictal EEG showing generalized spike- and polyspike-wave discharges[ncbi.nlm.nih.gov] EEG usually shows bilateral, synchronous generalized spike-and-wave (GSW) or polyspike-and-wave discharges with a normal background.[symptoma.com]

    Missing: Mild Cerebellar Hypoplasia
  • Juvenile Absence Epilepsy

    All patients had minimum twice EEG recordings and all had typical 3-Hz generalized spike and slow-wave discharges at least on one EEG.[ncbi.nlm.nih.gov] The EEG has generalized spike or polyspike slow-wave complexes. JAE is a lifelong disorder, although seizures can be controlled in 70% to 80% of patients.[pennsw.com.au] EEG shows classical generalized 3 Hz spike-and-slow-wave discharges.[medlink.com]

    Missing: Mild Cerebellar Hypoplasia
  • Lennox-Gastaut Syndrome

    The semiology of seizures progressively changed to generalized episodes of hypertonia and myoclonus, with slow spike-wave electroencephalographic activity.[ncbi.nlm.nih.gov] Interictal EEG showed findings characteristic of LGS: generalized slow spike-wave complexes, multifocal sharp waves, generalized polyspikes and paroxysmal fast activity during[ncbi.nlm.nih.gov] polyspikes or fast rhythms during sleep (required especially when daily tonic seizures are obscure), and (3) diffuse slow (  2.5 Hz) spike-wave complex on EEG.[jneurodevdisorders.biomedcentral.com]

    Missing: Mild Cerebellar Hypoplasia
  • Early Infantile Epileptic Encephalopathy Type 3

    EEG demonstrates primarily burst-suppression patterns in the neonatal period, hypsarrhythmia in infancy, and slow generalized spike-wave discharges in early childhood.[fortheloveofbubbe.weebly.com] Developmental delay 37 (100.0) Tone abnormalities 18 (48.6) Microcephaly 10 (27.0) Hemiplegia 2 (5.4) Visual defects 4 (10.8) Hearing deficit 1 (2.7) Neuroimaging Normal 9 (24.3) Generalized[indianpediatrics.net] slow spike-and-wave discharges Affected LGS patients have different degrees of developmental delay and they often develop autism and intellectual disability 43 Patients react[centogene.com]

    Missing: Mild Cerebellar Hypoplasia

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