case_images: PMC8322605_01
case_images: Coronal (right) and sagittal (left) MR images at diagnosis, showing large suprasellar arachnoid cyst.
case_images: fped-09-684131-g0001.jpg
case_images: PMC8322605_01_fped-09-684131-g0001.jpg
case_images: F1
case_images: An eye fundus examination revealed papilloedema and brain magnetic resonance imaging (MRI) showed a large suprasellar arachnoid cyst (SAC) with signs of hypertensive hydrocephalus (Figure 1).
case_images: Serum sodium values during different treatments.
case_images: fped-09-684131-g0002.jpg
case_images: PMC8322605_01_fped-09-684131-g0002.jpg
case_images: F2
case_images: Tolvaptan dosage is 11.25 mg/day and no severe hyponatremia has been noted (Figure 2).