Intermediary injury

Dr Daniel J Bell and Dr Henry Knipe et al.

Intermediary injuries affect the basal ganglia and/or thalami and are associated with diffuse axonal injury and poor prognosis. 


They are a shearing injury of the lenticulostriate arteries and result in haemorrhagic contusions, which are often bilateral.

Radiographic features

  • hyperdense haemorrhagic contusions of the lentiform nucleus and/or thalami
  • often bilateral

Differential diagnosis

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Article information

rID: 39182
Synonyms or Alternate Spellings:
  • Intermediary contusions

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