脊髄髄内出血診断におけるMRIの有用性—脊髄髄内海綿状血管腫の1例

Usefulness of MRI in the Diagnosis of Spontaneous Hematomyelia; A case of intramedullary cavernous hemangioma

I．はじめに

　MRIの普及により，これまで脊髄造影，CTでは必ずしも十分でなかった脊髄髄内病変の術前評価がより詳細となってきている．今回われわれは脊髄髄内出血で発症し，MRIでその病変の正確な局在が把握でき，病理組織で脊髄髄内海綿状血管腫と診断された1例を経験したので，その症例を呈示するとともにMRIの有用性を中心に若干の文献的考察を加え，ここに報告する．

Abstract

Recent improvement of MRI has enabled us to clear-ly visualize intrameclullary spinal lesions which pre-viously could not be recognized by CT scan or myelography.

We reported a case of hematomyelia caused by in-tramedullary cavernous hemangioma. In this case, MRI was very useful in efforts to recognize the lesions.

With the use of MRI, we will be able to accurately ascertain the location and characteristics of intramedul-lary spinal lesions. The number of surgically treated cases of idiopathic hematomyelia will increase in the future.