TABLE 1.

Clinical manifestations of probands 1–3.

Proband	Age	Gender	Mutation	Origin	Involved area
					Forehead	Forelock	Front chest	Abdomen	Back	Upper limbs	Lower limbs
1	2 years and 8 months	Male	c.2469_2484del(p.Tyr823*)	Paternal	+	+	+	+	–	+	+
2	9 months	Female	c.1994C > T(p.Pro665Leu)	De Novo	+	–	–	+	+	+	+
3	5 months	Male	c.1982_1983insCAT (p.662_663insIle)	Paternal	+	+	+	–	–	+	+