CLOSED HEAD INJURY

CLOSED HEAD INJURY
CLASSIFICATION :

Primary damage of head ct-scan

EPIDURAL HEMATOM

SUBDURAL HEMATOMA

INTRA CEREBRAL HEMATOMA

GLIDING HAEMORRHAGES

Consciousness disturbance In diffuse brain injury :

• Mild concussion : LOC - transient
  Cerebral concussion : LOC <6hrs>24 hrs
  Severe DAI : days-weeks

PATHOMORPHOLOGY OF DAI :

• Spheroids appear when coma exceeds 6 hrs
  Only detectable at LM level after 24 hours
  Corpus callosum & brainstem most commonly affected
  Evanescent - days to weeks

INVISIBLE ON CT/MR SCAN GLIDING HAEMORRHAGES