PMC4809479_01
Brown discoloration on the distal medial aspects of the nails on the fourth and fifth digits of twin A's hand.
gr1.jpg
PMC4809479_01_gr1.jpg
fig1
Over the next 2 months, the brown dyspigmentation continued to extend proximally eventually measuring as much as 7 mm on the first patient's hand and 9 mm on the second patient's hand (Figs 1 and 2).
Prominent brown discoloration on the distal medial aspects of the nails on the fourth and fifth digits of twin B's hand.
gr2.jpg
PMC4809479_01_gr2.jpg
fig2
Over the next 2 months, the brown dyspigmentation continued to extend proximally eventually measuring as much as 7 mm on the first patient's hand and 9 mm on the second patient's hand (Figs 1 and 2).