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14 Possible Causes for Epileptiform Activity, Hemiplegia, Nodular Heterotopia of the Grey Matter

  • Temporal Lobe Epilepsy

    Heterotopia present as nodular foci of grey matter intensity on all sequences. They do not enhance. Heterotopia Images of a typical subependymal heterotopia.[radiologyassistant.nl] No postoperative complications were reported in two-stage surgery during follow-up, but one patient had mild hemiplegia in the ATL group.[ncbi.nlm.nih.gov] However, little is currently known about the modulation of these networks by epileptiform activity, such as interictal spikes and seizures.[ncbi.nlm.nih.gov]

  • Occipital Lobe Tumor

    Heterotopia present as nodular foci of grey matter intensity on all sequences. They do not enhance. Heterotopia Images of a typical subependymal heterotopia.[radiologyassistant.nl] […] tumor in the frontal lobe may cause the following: Behavioral and emotional changes Impaired judgment Impaired sense of smell Memory loss Paralysis on one side of the body (hemiplegia[healthcommunities.com] […] and multiple areas of epileptiform activity; associated with infantile spasms ice cream headache nickname given to headaches that are cold induced; common in migraine ice-pick[strokecenter.org]

  • Hemimegalencephaly

    Heterotopia present as nodular foci of grey matter intensity on all sequences. They do not enhance. Heterotopia Images of a typical subependymal heterotopia.[radiologyassistant.nl] Hemiplegia was progressive during early childhood.[ncbi.nlm.nih.gov] Serial electroencephalograms demonstrated continued right-sided epileptiform activity with minimal involvement of the left frontal region.[pubs.rsna.org]

  • Infantile Choroidocerebral Calcification Syndrome

    Usually nodular heterotopia at ventricular junction.[radnotes.co.nz] Tx: Conservative: seizures (carbamezapime 1st line), stroke prevention (ASA) Surgery: Hemispherectomy Indications: Intractable epilepsy with unilateral hemisphere damage Hemiplegia[learnneurosurgery.com] Typical findings include reduced background activity, polymorphic delta activity and epileptiform features.[patient.info]

  • Focal Onset Impaired Awareness Seizure

    Heterotopia present as nodular foci of grey matter intensity on all sequences. They do not enhance. Heterotopia Images of a typical subependymal heterotopia.[radiologyassistant.nl] EEG technologists may use activation procedures such as hyperventilation and photic stimulation to enhance the ability of EEG to detect epileptiform activity.[currentpsychiatry.com] An electroencephalogram (EEG) ( Fig 1 ) showed epileptiform activity initiated in the posterior left temporal region, with recruiting activity, irradiated to the left frontal[scielo.br]

  • Pachygyria-Mental Retardation-Seizures

    Heterotopia present as nodular foci of grey matter intensity on all sequences. They do not enhance. Heterotopia Images of a typical subependymal heterotopia.[radiologyassistant.nl] Almost half of the patients with spastic tetraplegia and hemiplegia had epilepsy. The incidence was lower in patients with spastic diplegia.[scinapse.io] Depth electrode studies have demonstrated that epileptiform activity can originate directly from the heterotopic neurons with nearly constant simultaneous involvment of the[neuroscienceandgenetics.it]

  • Complex Cortical Dysplasia with other Brain Malformations Type 3

    Nodular heterotopias of grey matter are found in association with other migration disorders and may be the cause of partial seizures.[jnnp.bmj.com] PVNH1 300049 Genetic Test Registry Polymicrogyria, Bilateral Frontoparietal Cerebellar Ataxia With Neuronal Migration Defect BFPP 606854 Genetic Test Registry Porencephaly 1 Hemiplegia[ukgtn.nhs.uk] Electroencephalogram (EEG): The recording of the electrical activity of the brain. Epileptiform: Resembling seizures or its manifestations.[childneurologyfoundation.org]

  • Complex Cortical Dysplasia with other Brain Malformations Type 4

    Nodular heterotopias of grey matter are found in association with other migration disorders and may be the cause of partial seizures.[jnnp.bmj.com] PVNH1 300049 Genetic Test Registry Polymicrogyria, Bilateral Frontoparietal Cerebellar Ataxia With Neuronal Migration Defect BFPP 606854 Genetic Test Registry Porencephaly 1 Hemiplegia[ukgtn.nhs.uk] Electroencephalogram (EEG): The recording of the electrical activity of the brain. Epileptiform: Resembling seizures or its manifestations.[childneurologyfoundation.org]

  • Bilateral Temporo-Occipital Polymicrogyria

    Heterotopia present as nodular foci of grey matter intensity on all sequences. They do not enhance. Heterotopia Images of a typical subependymal heterotopia.[radiologyassistant.nl] Spastic hemiplegia and epilepsy were observed in all of the patients, and mental retardation was observed in four.[link.springer.com] Jacobs, Postsynaptic Currents Prior to Onset of Epileptiform Activity in Rat Microgyria, Journal of Neurophysiology, 98, 1, (178), (2007). Ingrid E.B.[doi.org]

  • Complex Cortical Dysplasia with other Brain Malformations Type 2

    Nodular heterotopias of grey matter are found in association with other migration disorders and may be the cause of partial seizures.[jnnp.bmj.com] […] although these may be delayed until later in infancy or in more rare cases into early childhood) developmental delay ranging from mild to severe progressive contralateral hemiplegia[hemifoundation.homestead.com] Electroencephalogram (EEG): The recording of the electrical activity of the brain. Epileptiform: Resembling seizures or its manifestations.[childneurologyfoundation.org]

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