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KMID : 1101620220330020102
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Perinatology
2022 Volume.33 No. 2 p.102 ~ p.105
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Recurrent Type B Pigmentary Demarcation Lines in Pregnancy: A Case Report
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Bae Ji-Hye
Sung Ji-Hee
Kim Ye-Jin
Cho Hye-Jung
Choi Yun-Sun
Choi Suk-Joo
Oh Soo-Young
Roh Cheong-Rae
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Abstract
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Pigmentary demarcation lines (PDLs) are rare pigmentary diseases with abrupt transition lines between areas of deeper pigmentation and areas of lighter or normal pigmentation. Among several types, type B PDL involves the posterior medial part of the lower extremities and is commonly associated with pregnancy. In South Korea, only a few cases of type B PDL during pregnancy is reported; however, here we present a case of recurrent type B PDL during pregnancy. The patient experienced 2 pregnancies with pigmentary changes in the posterior thigh from the late second trimester; the pigmentation faded and disappeared a few months after delivery in both pregnancies. Most PDLs are asymptomatic and are spontaneously relieved. It will be helpful for obstetricians to recognize this condition and reassure patients.
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KEYWORD
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Pigmentary demarcation lines, Type B pigmentary demarcation lines, Pigmentation of legs, Pregnancy, Recurrent pigmentary demarcation lines
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