Smith–Lemli–Opitz syndrome is an autosomal recessive disease caused by mutations in 7-dehydrocholesterol reductase (DHCR7), which is rarely observed in Japan. We report a Japanese case with 46,XY disorder of sex… Click to show full abstract
Smith–Lemli–Opitz syndrome is an autosomal recessive disease caused by mutations in 7-dehydrocholesterol reductase (DHCR7), which is rarely observed in Japan. We report a Japanese case with 46,XY disorder of sex development and Y-shaped 2–3 toe syndactyly. DHCR7 gene analysis revealed compound heterozygous mutations including the novel mutation H442R. Early diagnosis led to starting cholesterol treatment at an early age.
               
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