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Diseases

Genetic and Rare Diseases Information Center (GARD)

Linear lichen planus


Other Names for this Disease
  • Blaschkoid lichen planus
  • Blaschkoid LP
  • Linear LP
  • LLP
Related Diseases
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Overview

Linear lichen planus (LLP) is a rare form of lichen planus, which is a condition that affects the skin and/or mouth. In LLP, specifically, affected people develop itchy, purple, flat-topped papules (bumps) in a linear distribution along the lines of Blaschko. Although these papules can be found anywhere on the body, they most commonly affect the limbs (arms and legs).[1][2] The exact underlying cause of LLP is unknown; however, it has been associated with metastatic cancer, HIV infection and hepatitis C infection.[3] Treatment is not always necessary as some cases of LLP resolve on their own. Mild cases can often be managed with topical steroids, while more intensive therapies may be required for severe cases.[2][1]
Last updated: 7/15/2015

References

  1. Lichen planus. DermNet NZ. March 2015; http://dermnetnz.org/scaly/lichen-planus.html.
  2. Tsu-Yi Chuang, MD, MPH. Lichen Planus. Medscape Reference. May 2015; http://emedicine.medscape.com/article/1123213-overview.
  3. Linear lichen planus. Orphanet. May 2011; http://www.orpha.net/consor/cgi-bin/OC_Exp.php?lng=en&Expert=254379.
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Basic Information

  • DermNet NZ is an online resource about skin diseases developed by the New Zealand Dermatological Society Incorporated. DermNet NZ provides information about this condition.

In Depth Information

  • Medscape Reference provides information on this topic. You may need to register to view the medical textbook, but registration is free.
  • Orphanet is a European reference portal for¬†information on rare diseases and orphan drugs.¬† Access to this database is free of charge.
  • PubMed is a searchable database of medical literature and lists journal articles that discuss Linear lichen planus. Click on the link to view a sample search on this topic.
Other Names for this Disease
  • Blaschkoid lichen planus
  • Blaschkoid LP
  • Linear LP
  • LLP
Related Diseases
See Disclaimer regarding information on this site. Some links on this page may take you to organizations outside of the National Institutes of Health.