Extradural hemorrhage is seen as:
Correct Answer: Hyperdense biconvex
Description: Ans. (a) Hyperdense biconvexRef: Harrison's 17th ed. Ch 364* Extradural hemorrhage: Bleeding occurs between skull and duramatter. Bleeding occurs due to the rupture ofMiddle meningeal artery. Lucid Interval (Consciousness between two periods of unconsciousness) exists.* In NCCT it shows hyperdensity bleeding, bi-convex or flame shaped bleed.* Treatment: Burr hole surgery.* Subdural hemorrhage: Occurs due to rupture of Cortical bridging veins. In NCCT it shows concavo- convex or sickle shaped bleed.
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