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Unilateral Reversible Posterior Leukoencephalopathy Syndrome after Coiling of an Aneurysm
Willemijn Huijgen,Bas van der Kallen,Jelis Boiten,Geert Lycklama à Nijeholt 대한신경과학회 2014 Journal of Clinical Neurology Vol.10 No.1
Background Reversible posterior leukoencephalopathy syndrome (RPLS) is radiologicallycharacterized by symmetrical subcortical areas of vasogenic edema that are preferentially parieto-occipital, and it typically resolves after appropriate treatment. Case Report We present a patient with strikingly unilateral RPLS that developed 21 days aftercoiling of an anterior communicating artery aneurysm and several days of triple-H therapy. Cortical and subcortical vasogenic edema and enhancement developed only in the left hemisphere, with a pattern suggesting RPLS. After 7 months the lesions had nearly completely resolved. Conclusions The pathophysiological mechanism underlying RPLS is still not well understood, which makes it difficult to explain the unilateral appearance in this case. Since the imaging findings may be confused with other conditions such as ischemia, recognition of RPLS after coiling is necessary in order to avoid inadequate treatment.