PMC3644793_01
(a) Post gadolinium contrast enhanced axial T1-weighted Magnetic resonance imaging of the brain shows diffuse non-nodular enhancement and thickening of the pachymeninges. (b) Post gadolinium contrast enhanced coronal T1-weighted Magnetic resonance imaging of the brain shows diffuse non-nodular enhancement and thickening of the pachymeninges
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F1
MRI brain showed prominence of cortical veins and significant distension of dural venous sinuses raising the possibility of pachymeningitis without venous sinus thrombosis [Figure 1a,b].
Radionuclide cisternography reveals cerebrospinal fluid leak at C6/7 level on right side paucity of activity in cerebral convexity, slow ascent of radionuclide along the spinal axis and early accumulation of the radionuclide in kidneys and urinary bladder
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F2
A radionuclide cisternography showed CSF leak at the junction of cervical 5 and cervical 6 (C6/ C7) vertebrae [Figure 2].
Follow up Magnetic resonance imaging of the brain shows acute subdural haemorrhage bilaterally susceptibility weighted images
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F3
A repeat MRI brain showed bilateral subdural hematoma (SDH) [Figure 3].