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Figure 1. An 18-year-old woman presented three weeks post partum with a one-week history of headaches and two days of nausea, vomiting, and photophobia. On examination she was drowsy and had bilateral papilledema and a mild palsy of the right abducent nerve. A computed tomographic scan of the head was normal. Lumbar puncture revealed an opening pressure of 42 cm of water. A T1-weighted magnetic resonance image (Panel A) revealed high signal intensity in the straight sinus and the vein of Galen, findings compatible with thrombus (arrowheads). Magnetic resonance venography (Panel B) showed normal flow in the superior . . . [Full Text of this Article] |
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