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¢Í¡¡Decreased CSF pressure¡¡Ç¾ÀÔ¿ñ±Õ°µ¸º¾¯¡¡¢«¡¡¡Öpressure can be normal.¡×°µÎϤÏÉáÄÌɸ½à¤Ç¤¢¤ê¤¨¤Þ¤¹¡£
¡¡¡¡¡¡¢«¡¡¡ÖMRI may lack pachymeningeal enhancement or be normal¡×
Fig 1.—
In the syndrome of ¡Èspontaneous intracranial hypotension¡É (SIH), the independent variable is decrease in cerebrospinal fluid (CSF) volume while CSF pressure may be normal.
Head magnetic resonance imaging (MRI) may lack pachymeningeal enhancement or may even be normal, and clinical features may show substantial variability while headache may even be absent. The CSF pressures, the clinical manifestations, and the MRI changes appear to be variables dependent on CSF volume.
In the syndrome of ¡Èspontaneous intracranial hypotension¡É (SIH), the independent variable is decrease in cerebrospinal fluid (CSF) volume while CSF pressure may be normal.
¡È¡¡¡É¡¡( ) ( )¤ò½ü¤¤¤ÆÏÂÌõ
Head magnetic resonance imaging (MRI) may lack pachymeningeal enhancement or may even be normal, and clinical features may show substantial variability while headache may even be absent. The CSF pressures, the clinical manifestations, and the MRI changes appear to be variables dependent on CSF volume.
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2013/9/27(¶â) ¸áÁ° 8:46 [ vvu*92*b8zb*z38 ]