Fig 5. Case 3, a 42-year-old woman whose disease duration was 6 months. Right VA disturbance was recognized (right VA = 0.02; left VA = 1.5). A, Pituitary macroadenoma markedly compressed the optic chiasm especially the right side (white arrows). B–E, Hyperintensity was recognized in the right optic nerve on T2-weighted image (arrows). F–H, Hyperintensiy in the right optic nerve lasted for 2 years after the tumor reduction (arrows).