<prompt> All of the following statements are true regarding Epidural haeniatoma, EXCEPTUsually caused by disruption of middle meningeal arteryHypodense shadow in CT scanLenticular shaped haemorrhageOccurs following fracture of the temporal bone  <response>: B Hypodense shadow in CT scan Hematoma typeEPIDURALSUBDURALLocation Between the skull and the duraBetween the dura the arachnoidInvolved vessel Temperoparietal locus most likely - Middle meningeal artery Frontal locus - anterior ethmoidal artery Occipital locus - transverse or sigmoid sinuses Vertex locus - superior sagittal sinusBridging veinsSymptoms Lucid interval followed by unconsciousnessGradually increasing headache confusionCT appearance Biconvex lensCrescent-shaped 