ISSN : 2146-3123
E-ISSN : 2146-3131

Pseudoarachnoiditis in Spontaneous Intracranial Hypotension
Özlem Alkan 1, Tülin Yıldırım 1, Naime Altınkaya 1, Osman Kızılkılıç 2, Sait Albayram 2
1Department of Radiology, Faculty of Medicine, Başkent University, Ankara, Turkey
2Department of Radiology, Cerrahpaşa Faculty of Medicine, İstanbul University, İstanbul, Turkey
DOI : 10.5174/tutfd.2009.02293.1
Pages : 107-110


Spontaneous intracranial hypotension is an important cause of new daily persistent headaches in young and middle-aged individuals. The diagnosis is made based on low cerebrospinal fluid pressure with characteristic findings upon brain and spinal magnetic resonance imaging (MRI). We present the case of a 15-year-old boy with spontaneous intracranial hypotension. Although his brain MRI was normal, his lumbar spinal MRI showed clustering of the nerve roots characteristic of arachnoiditis. Radionuclide cisternography revealed an epidural leak, which was treated with an epidural blood patch. The patient reached a near-full recovery within 24 h, and the lumbar spinal MRI findings mimicking arachnoiditis disappeared.

Keywords : Spontaneous intracranial hypotension, pseudoarachnoiditis, spinal MRI
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