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MRI findings in a remitting-relapsing case of Bickerstaff encephalitis
R R Mondéjar1, J M G Santos, E F Villalba
1Diagnostic Radiology Department, HGU Morales Meseguer, C/Marqués de los Vélez, s/n, 30008 Murcia, Spain. jgarcia@hmmg.insalud.es
Abstract:
A case of remitting-relapsing Bickerstaff encephalitis is reported. The article focuses on its imaging findings and their significance when a clinical differentiation between Bickerstaff encephalitis and Miller-Fisher syndrome is attempted. Signs and symptoms may occasionally overlap. However, because Miller-Fisher syndrome is related to the peripheral nervous system and Bickerstaff encephalitis is a central disease, the recognition of brain stem hypointense lesions on T1-weighted images, which are hyperintense on T2-weighted sequences, could be a reliable tool when the clinical diagnosis is unclear.