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Sanfilippo症候群A型(ムコ多糖代謝異常ⅢA型)の長期生存する兄弟例を報告した。症例1は32歳男性。9歳より知能および運動機能が低下し,18歳より発語困難と失禁状態が発現,21歳より歩行不能となった。症例2は症例1の兄で34歳男性。6歳より知能低下が発現し,9歳より運動機能が低下し,17歳より発語困難,歩行障害と尿便失禁を認めた。両症例とも神経学的には知能低下,特徴的な顔貌,前頭葉徴候があり,錐体路徴候を認めた。また,単純X線撮影にて椎体の扁平化,脳MRIにて脳萎縮を示し,脳血流シンチにて後頭葉を中心として,側頭〜頭頂葉に血流低下を示した。
The siblings of Sanfilippo syndrome type A (MPS III A) have been reported. The relationship of their parents was the first cousins.
Case 1: A 30-year-old Japanese man was hospitalized because of gait disturbance and mental impairment. His early somatic and mental develop-ment was normal until 9 years of age when mental deterioration had developed. Speech and gait dis-turbances and double incontinence occured at 18 years of age. He could not walk at 21 years of age. Those symptoms were slowly progressive.
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