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Neurological Surgery No Shinkei Geka Volume 29, Issue 1 （January 2001）

Neurological Surgery 脳神経外科 29巻1号（2001年1月発行）

Japanese English

症例

脳幹部venous angiomaに伴う脳幹出血の2例 Brain Stem Hemorrhage Associated with Venous Angioma : Report of Two Cases 溝上康治 ¹ , 天野敏之 ¹ , 稲村孝紀 ¹ , 宮園正之 ¹ , 松島俊夫 ¹ , 萬納寺洋道 ² , 福井仁士 ¹ Koji MIZOKAMI ¹ , Toshiyuki AMANO ¹ , Takanori INAMURA ¹ , Masayuki MIYAZONO ¹ , Toshio MATSUSHIMA ¹ , Hiromichi MANNOJI ² , Masashi FUKUI ¹ ¹九州大学大学院医学系研究科脳神経外科 ²山口赤十字病院脳神経外科 ¹Department of Neurosurgery, Graduate School of Medical Sciences, Kyushu University ²Department of Neurosurgery, Yamaguchi Red Cross Hospital キーワード： brain stem , hemorrhage , venous angioma Keyword: brain stem , hemorrhage , venous angioma pp.75-79

発行日 2001年1月10日 Published Date 2001/1/10

DOI https://doi.org/10.11477/mf.1436902002

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Abstract 文献概要
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I．はじめに

　無症候性venous angiomaの出血率は低い（0.22％／year）が^4），後頭蓋窩では症候性となることが多い^3,5,7,14）．また，cavernous angiomaを伴うと出血率が増加することも知られている^5,11,16）．今回われわれは，脳幹のvenous angiomaに伴った脳幹出血2例を経験したので報告する．

The incidence of hemorrhage associated with venous angioma has been considered to be rare. We here report two cases of brain stem venous angioma which also showed brain stem hemorrhage.

Case 1 ; a 15-year-old female had experienced weakness in the left upper extremity 8 months prior to admission. She developed dysfunction of the left cranial nerves, and magnetic resonance imaging (MRI) showed a huge enlarging hematoma in the pons. Cerebral angiography showed venous angioma penetrat- ing through the pons. Evacuation of the hematoma was performed through the fourth ventricle and many small vessels were found in the hematoma. Although all symptoms were partially resolved after the opera-tion, a re-hemorrhage occurred 1 month after the operation.

Case 2; a 50-year-old man had suddenly developed headache and vertigo several clays prior to admis-sion. Computed tomography (CT) and MRI showed a small hematoma in the lesion with venous angiomaadjacent to the hematoma. All symptoms gradually resolved with conservative therapy.