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Table 1 Modified Dandy criteria according to [9, 11]

From: Chronic intracranial hypertension after cerebral venous and sinus thrombosis – frequency and risk factors

1 Symptoms of raised intracranial pressure (headache, nausea, vomiting, transient visual obscurations, or papilledema)
2 No localizing signs with the exception of abducens (sixth) nerve palsy
3 The patient is awake and alert
4 Normal CT/MRI findings without evidence of (acute) thrombosis
5 LP opening pressure of > 25 cmH2O and normal biochemical and cytological composition of CSF
6 No other explanation for the raised intracranial pressure