Kawasaki disease presented with status epilepticus and diffusion MRI abnormalities in the subcortical white matter

Background. Kawasaki disease (KD) is an acute, self-limited vasculitis of unknown etiology that occurs predominantly in infants and young children. Encephalitis/encephalopathy is an extremely rare complication of KD. Case. A previously healthy 8-month-old Japanese boy had a prolonged s...

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Main Authors: Dai Keino, Yuki Koto, Chisato Inuo
Format: Article
Language:English
Published: Hacettepe University Institute of Child Health 2020-04-01
Series:The Turkish Journal of Pediatrics
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Online Access:https://turkjpediatr.org/article/view/448
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author Dai Keino
Yuki Koto
Chisato Inuo
author_facet Dai Keino
Yuki Koto
Chisato Inuo
author_sort Dai Keino
collection DOAJ
description Background. Kawasaki disease (KD) is an acute, self-limited vasculitis of unknown etiology that occurs predominantly in infants and young children. Encephalitis/encephalopathy is an extremely rare complication of KD. Case. A previously healthy 8-month-old Japanese boy had a prolonged seizure after febrile illness for one day. On the fourth day, he had bilateral nonexudative conjunctivitis, changes in the extremities, rash and induration at the Bacillus Calmette-Guerin inoculation site. He was diagnosed with incomplete KD and treated with immunoglobulin. On the fifth day, he had cluster seizures. Brain magnetic resonance imaging (MRI) showed restricted diffusion in the left subcortical white matter, which was consistent with acute encephalopathy with biphasic seizures and late reduced diffusion (AESD). He was treated with controlled normothermia, pulseddose methylprednisolone, continuous infusion of midazolam, and edaravone. On the tenth day, he had a recurrent fever and was treated with a second course of immunoglobulin. Subsequently, he had defervescence, and the abnormal signal detected in the MRI disappeared. At the age of 11 months, he had normal growth and development for his age by the Denver Developmental Screening Test. Conclusion. It is necessary to consider AESD as the differential diagnosis of prolonged seizure in infants with KD. Brain MRI led to early diagnosis and intervention in our patient. The neurological prognosis of our patient was relatively good, but the prognosis of KD with AESD is unknown. To clarify this, further case accumulation is warranted.
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spelling doaj-art-cdeb608f5ad740cfbd4f3aec68a325842025-08-20T02:55:41ZengHacettepe University Institute of Child HealthThe Turkish Journal of Pediatrics0041-43012791-64212020-04-0162210.24953/turkjped.2020.02.020Kawasaki disease presented with status epilepticus and diffusion MRI abnormalities in the subcortical white matterDai Keino0Yuki Koto1Chisato Inuo2Department of Pediatrics, St. Marianna University School of Medicine, Kawasaki, Kanagawa, Japan.Department of Pediatrics, St. Marianna University School of Medicine, Kawasaki, Kanagawa, Japan.Department of Pediatrics, St. Marianna University School of Medicine, Kawasaki, Kanagawa, Japan. Background. Kawasaki disease (KD) is an acute, self-limited vasculitis of unknown etiology that occurs predominantly in infants and young children. Encephalitis/encephalopathy is an extremely rare complication of KD. Case. A previously healthy 8-month-old Japanese boy had a prolonged seizure after febrile illness for one day. On the fourth day, he had bilateral nonexudative conjunctivitis, changes in the extremities, rash and induration at the Bacillus Calmette-Guerin inoculation site. He was diagnosed with incomplete KD and treated with immunoglobulin. On the fifth day, he had cluster seizures. Brain magnetic resonance imaging (MRI) showed restricted diffusion in the left subcortical white matter, which was consistent with acute encephalopathy with biphasic seizures and late reduced diffusion (AESD). He was treated with controlled normothermia, pulseddose methylprednisolone, continuous infusion of midazolam, and edaravone. On the tenth day, he had a recurrent fever and was treated with a second course of immunoglobulin. Subsequently, he had defervescence, and the abnormal signal detected in the MRI disappeared. At the age of 11 months, he had normal growth and development for his age by the Denver Developmental Screening Test. Conclusion. It is necessary to consider AESD as the differential diagnosis of prolonged seizure in infants with KD. Brain MRI led to early diagnosis and intervention in our patient. The neurological prognosis of our patient was relatively good, but the prognosis of KD with AESD is unknown. To clarify this, further case accumulation is warranted. https://turkjpediatr.org/article/view/448Kawasaki diseaseacute encephalopathy with biphasic seizures and late reduced diffusionencephalopathyincomplete
spellingShingle Dai Keino
Yuki Koto
Chisato Inuo
Kawasaki disease presented with status epilepticus and diffusion MRI abnormalities in the subcortical white matter
The Turkish Journal of Pediatrics
Kawasaki disease
acute encephalopathy with biphasic seizures and late reduced diffusion
encephalopathy
incomplete
title Kawasaki disease presented with status epilepticus and diffusion MRI abnormalities in the subcortical white matter
title_full Kawasaki disease presented with status epilepticus and diffusion MRI abnormalities in the subcortical white matter
title_fullStr Kawasaki disease presented with status epilepticus and diffusion MRI abnormalities in the subcortical white matter
title_full_unstemmed Kawasaki disease presented with status epilepticus and diffusion MRI abnormalities in the subcortical white matter
title_short Kawasaki disease presented with status epilepticus and diffusion MRI abnormalities in the subcortical white matter
title_sort kawasaki disease presented with status epilepticus and diffusion mri abnormalities in the subcortical white matter
topic Kawasaki disease
acute encephalopathy with biphasic seizures and late reduced diffusion
encephalopathy
incomplete
url https://turkjpediatr.org/article/view/448
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AT yukikoto kawasakidiseasepresentedwithstatusepilepticusanddiffusionmriabnormalitiesinthesubcorticalwhitematter
AT chisatoinuo kawasakidiseasepresentedwithstatusepilepticusanddiffusionmriabnormalitiesinthesubcorticalwhitematter