Fig. 3
From: Kallmann syndrome with FGFR1 and KAL1 mutations detected during fetal life
Ultrasound examination of the feet of the fetus with the p.R254W FGFR1 mutation at 23 weeks of gestation. a and b: Ultrasound views respectively of the soles of the right and left feet of the fetus carrying the p.R254W FGFR1 mutation. The dashed white arrow shows the syndactyly of toes I and II, and the solid white arrow that of toes III and IV. c Plantar ultrasound view of a normal fetal foot