Sterol profiling of amniotic fluid: a routine method for the detection of distal cholesterol synthesis deficit

Abstract excerpt

OBJECTIVES: Smith Lemli Opitz syndrome (SLOS) caused by a deficit of 3beta-hydroxysterol-Delta7 reductase was the first sterol deficit described with multiple malformations. The lack of specificity of many morphological abnormalities detected by ultrasound and their frequency have justified routine screening of amniotic fluid (AF) for sterols by GC-MS. The examination contributes to an improved knowledge of the...

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