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要旨 特発性脊髄硬膜外血腫(SSEH)は比較的稀な疾患であるが,早期治療にて良好な予後が期待できる重要な救急疾患である。今回,われわれは超高齢者に発症した特発性頸髄硬膜外血腫の1例を経験したので,文献的考察を加えて報告する。症例は87歳女性で,突然の激烈な後頸部痛に続く右上肢の知覚異常・右上下肢麻痺にて発症した。MRIにて頸髄硬膜外血腫と診断された。超高齢者であり手術は躊躇されたが,合併症のないことや神経症状の悪化を認めたため,発症当日に緊急手術を施行した。術後経過は良好で,速やかに症状は改善し独歩退院した。SSEHは,迅速な診断,的確な治療方針の決定が重要である。さらに,高齢者の手術においては手術時間の短縮,低侵襲手術,合併症に対する周到な周術期管理を心がけ,なにより長期臥床を避けることが重要である。
Spontaneous spinal epidural hematomas (SSEH) are relatively rare clinical entities and associated with coagulopathies, tumors, or vascular malformation. In addition, these are often neurosurgical emergencies ; therefore, prompt diagnosis and treatment are paramount. We reported a case of an 87-year-old woman with spontaneous cervical epidural hematoma. She presented with the sudden onset of neck pain, rt. upper arm sensory disturbance and rt. hemiparesis. MRI revealed a C3-Th1 dorsally placed extradural lesion. The lesion was iso-to hypointense on T1-weighted images and was hyperintense on T2-weighted images. She underwent surgery within 9 hours after symptom onset, removal of hematoma through the right hemilaminectomy was performed. She was a very high age, but she was discharged from the hospital without neurological deficit. To obtain good prognosis for patients with SSEH, early diagnosis and treatment are important. We also review the current literature concerning diagnosis and treatment of SSEH.
(Received : August 2, 2005)
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