A 10-day-old neonate presented with vomiting and irritability. Diffusion-weighted imaging showed abnormal signal intensities, including characteristic involvement of the optic pathway (Figure, A and B). Maple syrup urine disease (MSUD)… Click to show full abstract
A 10-day-old neonate presented with vomiting and irritability. Diffusion-weighted imaging showed abnormal signal intensities, including characteristic involvement of the optic pathway (Figure, A and B). Maple syrup urine disease (MSUD) was suspected. Blood tests confirmed elevated levels of branched-chain amino acids (BCAAs)—leucine, isoleucine, and valine.
               
Click one of the above tabs to view related content.