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A 24 year-old woman presented with headaches followed by lethargy and coma. On examination, her pupils were small but reactive. To a doll's head maneuver, she had no vertical upgaze.
Cerebral angiogram, venous phase. Note the complete absence of the straight sinus. In addition, there is attenuation of the distal superior sagittal sinus as well as the left transverse sinus.
The Electronic Curriculum is copyrighted 1998, Case Western Reserve University School of Medicine.