Membranous stenotic lesion in the cervical carotid artery in a young woman. Case report.
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概要
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A case of 31-year-old woman with curious membranous stenotic lesion of the left carotid artery was reported. She admitted to the hospital due to head trauma. CT scan revealed subarachnoid hemorrhage on admission. Cerebral angiography showed membranous stenotic lesion caused about 70% stenosis at the origin of the left carotid artery. She had no risk factors of atherosclerosis in laboratory examination. She was asymptomatic but CBF study revealed mild ischemia of the left cerebral hemisphere. Carotid endoarterectomy was performed to prevent ischemic attack. At the operation, the membronous lesion localized strictly at the origin of the carotid artery and no sclerotic changes were observed in the common, external and internal carotid arteries. The lesion was ressected and processed for histopathological examination. Formalin-fixed and paraffin-embedded specimens were serially sectioned and stained with H & E and van Gieson method. This lesion showed the histopathological appearance near to fibrous plaque of atherosclerosis. However, it was actually different from atherosclerosis because of the age of the patient, strict localization of the lesion, the lack of a sclerotic changes in another carotid and cerebral arteres and the lack of risk factors of atherosclerosis.
- 一般社団法人 日本脳卒中学会の論文
一般社団法人 日本脳卒中学会 | 論文
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