A case of ipsilateral hemiplegia after acute subdural hematoma surgery with Kernohan’s notch confirmed by MRI

DOI
  • Suzuki Ryo
    Department of Emergency and Critical Care Medicine, Tokyo Medical Center Department of Emergency Medicine, The Jikei University School of Medicine
  • Kameda Takanori
    Department of Emergency and Critical Care Medicine, Tokyo Medical Center
  • Taga Sho
    Department of Neurosurgery, Center Hospital of the National Center for Global Health and Medicine
  • Ageishi Ryo
    Department of Intensive Care Unit, Tokyo Metropolitan Bokutoh Hospital
  • Kimura Shinichi
    Department of Emergency and Critical Care Medicine, Tokyo Medical Center

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Other Title
  • 急性硬膜下血腫術後の同側片麻痺に対しMRIでKernohan’s notchを確認できた1例

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Abstract

<p>A woman in her 30s with a right traumatic acute subdural hematoma (ASDH) was brought to our hospital. On admission, Her pupils were bilaterally dilated. On the second day, her pupillary findings improved, and she underwent craniotomy for removal of the hematoma and external decompression. Postoperatively, right hemiplegia was observed, and a head MRI scan was performed. As a result, Kernohan’s notch (Kn) was diagnosed as the cause of right hemiplegia. ASDH and head trauma can rapidly lead to cerebral herniation, so it is important to keep in mind the development of Kn.</p>

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