descending transtentorial herniation

descending transtentorial herniation
the most common kind of transtentorial herniation, with downward displacement of the most medially-placed cerebral structures through the tentorial notch, compressing parts of the cerebrum and structures beneath the notch; it is caused by a supratentorial mass. Symptoms depend on which structures are compressed and may include ocular changes or hemiparesis. Called also caudal transtentorial h.

Medical dictionary. 2011.

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  • transtentorial herniation — protrusion of brain structures through the tentorial notch; the two types are descending transtentorial h. and ascending transtentorial h. Called also tentorial h …   Medical dictionary

  • caudal transtentorial herniation — descending transtentorial h …   Medical dictionary

  • central herniation — descending transtentorial herniation with downward shift of the brainstem and diencephalon, causing Cheyne Stokes respirations with pinpoint nonreactive pupils …   Medical dictionary

  • Brain herniation — Classification and external resources MRI showing injury due to brain herniation ICD 10 G …   Wikipedia

  • uncal herniation — n downward displacement of the uncus and adjacent structures into the tentorial notch * * * descending transtentorial herniation in which the uncus protrudes through the notch …   Medical dictionary

  • Duret haemorrhage — Brainstem Duret haemorrhages are small areas of bleeding in the ventral and paramedian parts of the upper brainstem, (midbrain and pons). [1] It is named for Henri Duret …   Wikipedia

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