Radiology Biconvex hyperdense shadow on non-contrast CT scan is seen in: A Extradural haemorrhage B Subdural haemorrhage C Subarachnoid haemorrhage D Intraventricular haemorrhage 💡 Explanation Biconvex hyperdense shadow on non-contrast CT scan is seen in: ✓ Correct Answer: A. Extradural haemorrhage