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Pityriasis rubra pilaris

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Pityriasis rubra pilaris

Pityriasis rubra pilaris
Classification and external resources
ICD-10 L44.0
ICD-9 696.4
OMIM 173200
DiseasesDB 29305
MedlinePlus 001471
eMedicine derm/337
MeSH D010916

Pityriasis rubra pilaris (also known as "Devergie's disease,"[1] "Lichen ruber acuminatus,"[1] and "Lichen ruber pilaris"[1]) refers to a group of chronic disorders characterized by reddish orange, scaling plaques and keratotic follicular papules.[2]:442 Symptoms may include reddish-orange patches (Latin: rubra) on the skin, severe flaking (Latin: pityriasis), uncomfortable itching, thickening of the skin on the feet and hands, and thickened bumps around hair follicles (Latin: pilus for hair). For some, early symptoms may also include generalized swelling of the legs, feet and other parts of the body. PRP has a varied clinical progression and a varied rate of improvement. There is no known cause or cure.

It was first described by Marie-Guillaume-Alphonse Devergie in 1856,[3] and the condition is also known as Devergie's disease.[4]

Contents

  • Classification 1
  • See also 2
  • Footnotes 3
  • External links 4

Classification

Dr. W.A.D. Griffiths, from Great Britain, classified six forms of PRP in the early 1980s.[5] At this time, the causes of PRP are still unknown and symptoms can be difficult to diagnose. Frequently, more than one medical professional will be consulted before an accurate PRP diagnosis is made.

Dermatologists have identified both an acquired form and an inherited form (familial) of PRP and have described them in medical journals. The acquired form usually shows a spontaneous or gradual remission of symptoms within several years although long-term symptoms may continue for years. The inherited form starts early in childhood with persistent long-term symptoms into adulthood.

Although most people who develop PRP are over age 50, individuals of any age, race, and nationality can be affected. Women and men seem to be equally affected.[6]

See also

  • List of cutaneous conditions
  • American Osteopathic Dermatology content: http://www.aocd.org/skin/dermatologic_diseases/pityriasis_rubra_p.html

Footnotes

  1. ^ a b c Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007). Dermatology: 2-Volume Set. St. Louis: Mosby.  
  2. ^ Freedberg, et al. (2003). Fitzpatrick's Dermatology in General Medicine. (6th ed.). McGraw-Hill. ISBN 0-07-138076-0.
  3. ^ Devergie M. G. A. (1856). "[Pityriasis pilaris, a skin disease not described by dermatologists] (Pityriasis pilaris, maladie de la peau non décrite par les dermatologistes).". Gazette hebdomadaire de médecine et de chirurgie, Paris (in French) 3: 197–201. 
  4. ^ M. G. A. Devergie and the eponymous named Devergie's disease at Who Named It?
  5. ^ "Pityriasis rubra pilaris". DermNZ (New Zealand Dermatological Society). 26 December 2006. Retrieved 2007-05-08.  - describes the various forms
  6. ^ Allison DS, El-Azhary RA, Calobrisi SD, Dicken CH (2002). "Pityriasis rubra pilaris in children". Journal of the American Academy Dermatology. 

External links

  • PRP Support Group - information regarding day-to-day care and medical treatment and having an international membership.
  • skin diseases Information
  • Dr. Griffith (June 1998). "Pityriasis rubra pilaris". In Editors Champion R.H., Burton J.L., Burns D.A. and Breathnach S.M. Textbook of Dermatology 2 (6th ed.). pp. 1539–1545.  
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