Characteristic CT finding in acute SDH is-: (A) Crescent shaped hyperdense lesion, (B) Biconvex hyperdense lesion, (C) Biconcave hyperdense lesion, (D) Crescent shaped hypodense lesion
Answer is A. Ans. is 'a' i.e. Crescent shaped hyperdense lesion Appearance of hematomas on CT* Biconvex (lens shaped or lenticular) hyperdense(2/3rd) or mixed density lesion(l/3rd) - Epidural hematoma.* Crescent (concao-convex) hyperdense (<2 weeks) or isodense (2-4 weeks) or hypodense (>4 weeks) lesion - subdural hematoma.