James W D, Meltzer M S, Guill M A, Berger T G, Rodman O G
J Am Acad Dermatol. 1984 Sep;11(3):438-40. doi: 10.1016/s0190-9622(84)70187-3.
Pigmentary demarcation lines are borders of abrupt transition between more deeply pigmented skin and that of lighter pigmentation. Two patients developed these lines on the lower extremities during pregnancy.
色素分界线是色素较深的皮肤与色素较浅的皮肤之间突然过渡的边界。两名患者在怀孕期间下肢出现了这些分界线。