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Further Diagnostic Tests

Further Diagnostic Tests. Perform MRI or CT scan (+) mass  tumor (-) mass  IIH. Modified Dandy Criteria for Idiopathic Intracranial Hypertension. According to the Dandy criteria, an IIH diagnosis is appropriate if a person:

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Further Diagnostic Tests

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  1. Further Diagnostic Tests • Perform MRI or CT scan • (+) mass  tumor • (-) mass  IIH

  2. Modified Dandy Criteria for Idiopathic Intracranial Hypertension According to the Dandy criteria, an IIH diagnosis is appropriate if a person: • has signs and symptoms of increased intracranial pressure, such as papilledema and headache;• has no localizing findings on neurological examination• has a normal MRI/CT scan with no evidence of venous obstructive disease;• has high intracranial pressure of 250mm/H2O or above on a spinal tap, with no abnormalities of cerebrospinal fluid; • is awake and alert;  • has no other cause of increased intracranial pressure found.

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