Fig. 1From: Ammonia and coma – a case report of late onset hemizygous ornithine carbamyltransferase deficiency in 68-year-old femaleDiagnostic findings: a EEG showed frontal intermittent rhythmic delta activity (FIRDA) and a low-voltage amplitude. No sedative medication was administered 3days before or during the recording of the EEG. b Diffusion weighted imaging (DWI) in MRI showed a hyperintense signal in the left insula (white arrow), an incidental finding of benign antenatal plexus choroid cysts (dashed arrows) and single-voxel MRI-spectroscopy (NAA: N-acetylasparate; Cr: creatinie; Cho: choline; Cr2: Creatine peak 2) c an increase of glutamine and decrease of myoinositol and cholineBack to article page