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Rapid Progression to Brainstem Encephalitis Caused by Enterovirus 71 Without Throat and Skin Lesions After a One-Day Fever

  • Kyung Min Kim (Department of Pediatrics, Chungnam National University Hospital) ;
  • Soo Yeon Kim (Department of Genomic Medicine, Seoul National University Children's Hospital) ;
  • Mi Kyoung Song (Department of Genomic Medicine, Seoul National University Children's Hospital) ;
  • Ji Young Kim (Department of Radiology, Seoul National University Bundang Hospital) ;
  • Anna Cho (Department of Pediatrics, Seoul National University Bundang Hospital) ;
  • Ji Young Park (Department of Pediatrics, Chung-Ang University Hospital)
  • 투고 : 2022.10.31
  • 심사 : 2023.06.19
  • 발행 : 2023.08.25

초록

Enterovirus (EV) 71은 무균성 뇌수막염 환자로부터 처음 분리된 이후로 주로 수족구병으로 나타났으며 소아에서 전형적인 피부 발진, 구강 병변 및 발열을 동반한다. 피부 발진은 수포성으로 손과 발에 영향을 미치고 수포가 없는 반구진 양상일 수도 있으며 특히 어린 소아 및 유아에서는 팔꿈치, 무릎 그리고 엉덩이를 침범할 수도 있다. EV 71 감염으로 인한 신경학적 합병증은 매우 드물지만 주로 뇌간 뇌염으로 나타난다. 대근육 운동 발달 지연 이외에 건강했던 30개월 된 남아가 발열, 혼수 증상으로 내원하였고 입원 후 무호흡 및 호흡 정지 증상이 동반되어 뇌척수액 검사 및 뇌 MRI, 뇌파검사를 하였다. 검사 결과 뇌간 뇌염 및 미만성 대뇌 기능 장애가 확인되었고 비인두도말 및 대변 검체에서 EV 71이 검출되었으며 유전자 검사에서 myoclonic epilepsy with ragged red fiber syndrome이 확인되었다. 저자들은 기저미토콘드리아 질환으로 인해 인후 및 피부 발진의 증상 없이 발열 하루 만에 빠르게 진행되는 EV 71 감염으로 인한 뇌간 뇌염 1예를 보고하는 바이다.

Infection with enterovirus (EV) 71 is usually associated with hand-foot-and-mouth disease and herpangina. The most frequent neurologic complication is brainstem encephalitis. A 30-month-old boy visited the pediatric emergency department with fever, lethargy, and abnormal eye contact. His mental status was slightly drowsy. On hospitalization day 2, the patient experienced respiratory arrest with apnea. Brain magnetic resonance imaging revealed bilateral symmetric T2-high signal lesions without enhancement in the posterior aspect of the brainstem and left medial temporal lobe. Electroencephalography was indicative of diffuse cerebral dysfunction with diffuse high amplitude and irregular delta activities. He underwent a gene study and was diagnosed with myoclonic epilepsy with ragged red fibers syndrome. We report a case of EV 71 brainstem encephalitis by polymerase chain reaction for nasopharyngeal aspirates and feces with rapid progression within one day of fever without the manifestation of throat and skin lesions because of his underlying mitochondrial disease.

키워드

참고문헌

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