PMC5946012_01
Cerebral magnetic resonance imaging (cMRI) showing an isolated uncomplicated developmental venous anomaly in the right temporal lobe (white arrow) on the contrast enhanced initial axial MPRAGE (A) and on the 2 year follow-up epilepsy specific high-resolution T2-weighted axial reformatted 3D-FLAIR (B) and coronal T2-weighted STIR (C) images. cMRI scans were acquired on a Siemens 3T scanner TRIO (A) and PRISMA (B,C).
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F1
The initial contrast-enhanced cerebral magnetic resonance imaging (cMRI) as well as the 2-year follow-up epilepsy-specific cMRI including high-resolution 2D- and isotropic 3D-MRI-sequences showed an isolated and uncomplicated developmental venous anomaly (DVA) in the right temporal lobe (Figure 1).
Ictal EEG recording during long-term video-EEG monitoring: Generalized spike-wave complex with fronto-central maximum associated with a habitual myoclonic jerk of the right hand during writing. Longitudinal bipolar montage, 50 Hz notch filter, low-pass filter 30 Hz, high-pass filter 1 Hz.
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F2
The monitoring was performed over 5 days and, during this period, the patient showed over 100 myoclonic jerks of the upper limbs (right, left, and bilaterally synchronous), frequently associated with generalized spike-wave complexes (Figure 2) and occasionally with left or right accentuation.