MRI

MRI selected images centered in the pons

increased "triden...
Axial T2
increased "trident" signal intensity in the pons with relative sparing of its periphery
Modality: MRI (T2)

- “ This patient had had hyponatremia and dehydration corrected recently.  Osmotic demyelination syndrome was formerly known as central pontine myeli...”

Used in the following article:

  • Osmotic demyelination syndrome - “ Osmotic demyelination syndrome refers to acute demyelination seen in the setting of osmotic changes, typically with the rapid correction of hypona...”
  • Trident sign (CNS) - “ The trident sign describes the typical appearances of the pons in osmotic demyelination syndrome, whereby the symmetrical high T2/FLAIR signal abn...”

View full size version of Osmotic demyelination syndrome

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