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| Common pitfalls in imaging interpretation |
| Beam artefact from the base of skull and applying correct window levels may mimic or hide transverse sinus thrombosis |
| Physiological polycythaemia in neonates and polycythaemia in children may mimic extensive CVST |
| Acute subdural haemorrhage surrounding the dural venous sinus and tentorium cerebelli may mimic thrombus on both CT and MR |
CVST, cerebral venous sinus thrombosis.
