case_images: PMC10832405_01
case_images: Magnetic resonance imaging: (a) axial T1 and (b) sagittal T2: quadriventricular dilatation without signs of cerebrospinal resorption and bilateral frontal cortical atrophy (horizontal arrows).
case_images: 10.1177_11795565241229007-fig1.jpg
case_images: PMC10832405_01_10.1177_11795565241229007-fig1.jpg
case_images: fig1-11795565241229007
case_images: Blood sample colored dark brown from patient 1.
case_images: 10.1177_11795565241229007-fig2.jpg
case_images: PMC10832405_01_10.1177_11795565241229007-fig2.jpg
case_images: fig2-11795565241229007
case_images: A methemoglobin assay was performed, and the blood sample was dark brown (Figure 2), with a level of MetHb equal to 26%.
case_images: PMC10832405_02
case_images: Magnetic resonance imaging: (a) axial T1, (b) sagittal T2: diffuse enlargement of subarachnoid spaces, cortico-subcortical atrophy (horizontal arrows) and hypogenesis of the corpus callosum (vertical arrow).
case_images: 10.1177_11795565241229007-fig3.jpg
case_images: PMC10832405_02_10.1177_11795565241229007-fig3.jpg
case_images: fig3-11795565241229007