A road traffic accident patient in the casualty is comatose with unilaterally dilated pupil. The NCCT of the patient shows a Lesion peripherally present with concavo - convex border. What is the probable diagnosis?: (A) Sub-dural hematoma, (B) Epi-dural hematoma,, (C) Sub-arachnoid hemorrhage, (D) Intra-parenchymal bleeding
Answer is A. Ans.(a). Sub-dural hematomaSub dural hematomaConcavo-convex bleed hyper-densityExtra dural hemorrhageBiconvex /flame shaped hyper- densitySub arachnoid hemorrhageIntra-ventricular bleed/blood in slyvian fissureIntra -parenchymal bleedMostly a lesion or hyper-density in basal ganglia secondary to hypertension.