Zellweger syndrome
Zellweger syndrome (Cerebro-Hepato-Renal syndrome) |
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疾病簡介:
AR;腦、肝、腎等處之細胞其peroxisome量減少或缺乏造成體內very long chain fatty acids的堆積,具genetic heterogeneity,通常在一歲前死亡。
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病徵:
生長:postnatal growth deficiency(平均出生體重2740) 頭頸部:flat occiput、large fontanelle、macrocephaly、flat facies、micrognathia、high forehead、minor ear anomaly 眼:congenital cataract、hyperlorism、retinal pigmentary change 腦:嗅葉發育不全、胼胝體發育不全 心:室中膈缺損、開放性動脈導管 肝:hepatomegaly、intrahepatic biliary dysgenesis、neonatal jaundice 腎:水腎、腎皮質小囊腫(renal cortical microcysts)、absent renal peroxisomes |
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診斷:
1.dihydroxyacetone phosphate acyltransferase(DHAP-AT)activity↓ 2.long chain fatty acid↑ 3.serum iron and iron binding capacity↑ 4.plasmologen↓ 5.pipecolic academia 6.aminoaciduria 7.albuminuria
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治療:
症狀及支持治療。 |