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Case Reports
. 2011 Sep 29;3(2):e35.
doi: 10.4081/dr.2011.e35. eCollection 2011 Aug 3.

Unilateral Blaschkoid lichen planus in successive pregnancies

Shiva Kumar  1 , Rajendra Okade  1 , Yasmin Abdul Rahman  1
Affiliations
Case Reports

Unilateral Blaschkoid lichen planus in successive pregnancies

Shiva Kumar et al. Dermatol Reports. .

Abstract

A number of genetic, congenital and acquired dermatoses have been known to follow Blaschko's lines. A common disorder like lichen planus can very rarely present with pruritic lesions in atypical patterns such as unilateral distribution, painful eruptions and along Blaschko's lines. Various triggering factors varying from viral infections and vaccinations to trauma have been implicated in lichen planus. We describe a female patient in the second trimester of her second pregnancy who developed unilateral lichen planus along Blaschko's lines during both pregnancies. No case of lichen planus along Blaschko's lines recurring during pregnancy is reported so far. Could pregnancy itself be a contributory factor towards onset of lichen planus in this case?

Keywords: Blaschko'slines.; lichen planus; pregnancy.

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Figures

Figure 1
Figure 1
Typical violaceous papules over thumb and forearm in a linear distribution.
Figure 2
Figure 2
Pigmented papules and macules over shoulder.
Figure 3
Figure 3
Gravid abdomen showing linear pigmented macules and papules.
Figure 4
Figure 4
Histopathology showing dense lichenoid infiltrate and saw toothed rete ridges.
See this image and copyright information in PMC

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