<prompt> Which of the following the characteristic feature of subdural hematoma -Convex hyper densityBiconvex hypo densityConvexo-concave hypo densityConcavo-convex hyper density  <response>: Ans. is d i.e. Concavo-convex hyperdensity .On CT Scan Subdural hematoma - Concavo convex hyperdensity Epidural hematoma - Biconvex hyperdensity 