After head injury, biconvex, lenticular shape hematoma in CT scan is characterstic of which of the following ?
Correct Answer: Extradural haemorrhage
Description: Ans is 'a' ie Extradural haemorrhage CT scan (non-contrast) is the best diagnostic method to evaluate a head injury pt. (better than MRI) On CT scan ? Extradural haemorrhage appears as biconvex lentiform opacity. Subdural haemorrhage appears as concavoconvex crescentic opacity. Intracerebral blood appears on small foci, typically at grey/white matter interface, or more centrally in the white matter.
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