Mutations in CAV1 are a rare cause of CGL; mutations in BSCL2 (CGL2; MIM# 269700) or AGPAT2 (CGL1; MIM# 608594) account for about 95% of reported BSCL cases [4]. This evidence concerns the gene AGPAT2 and Berardinelli-Seip congenital lipodystrophy.