Diffusion-Weighted Magnetic Resonance Imaging of Organized Subdural Hematoma-Case Report-

DOI Web Site PubMed 被引用文献7件 参考文献21件
  • KUWAHARA Seikou
    Department of Neurosurgery, Kochi Gamma Knife Center, Mominoki Hospital
  • MIYAKE Hirohisa
    Department of Neurosurgery, Kochi Gamma Knife Center, Mominoki Hospital
  • FUKUOKA Masaaki
    Department of Neurosurgery, Kochi Gamma Knife Center, Mominoki Hospital
  • KOAN Yoko
    Department of Neurosurgery, Kochi Gamma Knife Center, Mominoki Hospital
  • ONO Yuko
    Department of Neurosurgery, Kochi Gamma Knife Center, Mominoki Hospital
  • MORIKI Akihito
    Department of Neurosurgery, Kochi Gamma Knife Center, Mominoki Hospital
  • MORI Koreaki
    Department of Neurosurgery, Kochi Gamma Knife Center, Mominoki Hospital
  • MOKUDAI Toshihiko
    Uchida Neurosurgical Clinic
  • UCHIDA Yasufumi
    Uchida Neurosurgical Clinic

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タイトル別名
  • —Case Report—

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A 59-year-old male presented with a left organized subdural hematoma. The hematoma appeared as a homogeneous low density area on brain computed tomography and as hyperintense and isointense area on both fluid-attenuated inversion recovery and T2-weighted magnetic resonance (MR) imaging. Echo-planar diffusion-weighted MR imaging showed a crescent hyperintense area under the dura mater and an irregular hypointense area over the brain surface in the left subdural space. The apparent diffusion coefficient (ADC) values of the solid and liquid hematoma were 0.86 ± 0.32 × 10-3 and 2.56 ± 0.39 × 10-3 mm2/sec, respectively. The ADC value of the solid hematoma was similar to acute subdural or intraparenchymal hematoma, and that of the liquid was similar to cerebrospinal fluid. Burr-hole surgery failed to remove all the hematoma, and he complained of persistent headache. The hematoma was removed through a craniotomy without further neurological deficits. Organized subdural hematoma often requires craniotomy for evacuation because of its solid content. Diffusion-weighted MR imaging and measurement of ADC values can differentiate solid from liquid hematoma, so are useful for selection of the surgical procedure.<br>

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