View source for Large plaque parapsoriasis

{{Infobox disease
 | Name           = Large plaque parapsoriasis
 | Image          = 
 | Caption        = 
 | DiseasesDB     = 
 | ICD10          = {{ICD10|L|41|4|l|40}}
 | ICD9           = {{ICD9|696.2}} 
 | ICDO           = 
 | OMIM           = 
 | MedlinePlus    = 
 | eMedicineSubj  = derm
 | eMedicineTopic = 311
 | MeshID         = D010267
}}
__NOTOC__
{{CMG}}; {{AE}} {{KS}}
==Overview==

'''Large plaque parapsoriasis''' (also known as "parapsoriasis en plaques"<ref name="pmid8394392">{{cite pmid|8394392}}</ref>) are [[skin lesion]]s that may be included in the modern scheme of cutaneous conditions described as [[parapsoriasis]].<ref name="pmid7026622"/> These lesions, called [[plaque (dermatology)|plaques]], may be irregularly round-shaped to oval and are {{convert|10|cm|in|abbr=on}} or larger in diameter.<ref name="pmid7026622"/> They can be very thin plaques that are symptomatic or mildly [[pruritic]].<ref name="pmid7026622">{{cite journal |author=Lambert WC, Everett MA |title=The nosology of parapsoriasis |journal=J. Am. Acad. Dermatol. |volume=5 |issue=4 |pages=373–95 |date=October 1981 |pmid=7026622 |doi= 10.1016/S0190-9622(81)70100-2|url=}}</ref><ref name="Fitz2">{{cite book |author=Freedberg, et al. |year=2003 |title=Fitzpatrick's Dermatology in General Medicine (6th ed.) |publisher=McGraw-Hill |isbn=0-07-138076-0 |pages=450–452}}</ref> Large-plaque parapsoriasis is a common associate of [[retiform parapsoriasis]], can be accompanied by [[poikiloderma vasculare atrophicans]], and can in rare occasions be a precursor to [[cutaneous T-cell lymphoma]].<ref name="pmid7026622"/>

==Diagnosis==
===Physical Examination===
====Skin====
=====Trunk=====
<gallery>
Image:Large plaque parapsoriasis01.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>
Image:Large plaque parapsoriasis02.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>




Image:Large plaque parapsoriasis03.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>






Image:Large plaque parapsoriasis04.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>





Image:Large plaque parapsoriasis04.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>




Image:Large plaque parapsoriasis05.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>




Image:Large plaque parapsoriasis06.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>




Image:Large plaque parapsoriasis07.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>






Image:Large plaque parapsoriasis08.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>





Image:Large plaque parapsoriasis09.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>




Image:Large plaque parapsoriasis10.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>





Image:Large plaque parapsoriasis11.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>


Image:Large plaque parapsoriasis12.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>


Image:Large plaque parapsoriasis13.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>






Image:Large plaque parapsoriasis14.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>


Image:Large plaque parapsoriasis15.jpg|Large plaque parapsoriasis. <SMALL><SMALL>''[http://www.atlasdermatologico.com.br/  Permission from  from Dermatology Atlas.]''<ref name="Dermatology Atlas">{{Cite web | title = Dermatology Atlas | url = http://www.atlasdermatologico.com.br/}}</ref></SMALL></SMALL>




</gallery>

== Treatment ==
Parapsoriasis treatment consists primairly of [[Light therapy]] (more specifically [[PUVA|PUVA therapy]] or UVB therapy) possibly in combination with [[Topical steroid]]s. 
<ref>{{cite web|url=http://www.psoriasis-aid.com/parapsoriasis_is/what_is_parapsoriasis.html|title=Psoriasis Aid.com}}</ref> Large plaque parapsoriasis is usually a chronic condition that needs long-term treatment.
<ref>{{cite web|url=http://emedicine.medscape.com/article/1107425-overview|title=medscape.com: Overview of Parapsoriasis}}</ref>

== See also ==
* [[List of cutaneous conditions]]
* [[Mycosis fungoides]]

== References ==
{{reflist}}

{{Papulosquamous disorders}}

[[Category:Lymphoid-related cutaneous conditions]]


{{Cutaneous-condition-stub}}