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Postmortem Imaging Findings

Case TypeLoss of G–W DifferentiationEffaced Ventricles/CisternsExpected PM Blood DistributionPM Intracranial AirLumpy Falx
TraumaVisible BG 22/24Yes 15/24Yes 19/2412/2412/24
Loss of G–W 7/24Normal 8/24SAH 4/24
Dilated 1/24
Natural cause of deathVisible BG 8/9Yes 4/9Yes 8/92/98/9
Loss of G–W 7/9Normal 5/9
  • Note:—Loss of G–W differentiation evaluated by whether BG visible and whether remaining G–W visible. Expected PM blood distribution = dense circle of Willis, cavernous sinus, tentorium, transverse sinus, sagittal sinus. PM Intracranial Air = air in the arteries, veins, or diploic spaces. Lumpy Falx = nodular appearance to falx seen in PM imaging. BG indicates basal ganglia; G–W, gray–white; PM, postmortem.