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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Characteristic CT finding in acute SDH is-
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The correct answer is  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.