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Year : 1993  |  Volume : 59  |  Issue : 3  |  Page : 129

Pityriasis rosea unilateralis

Correspondence Address:
A Chopra

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The classical pityriasis rosea presents with erythematous papulosquamous lesions but it has got many morphological variants. The unilateral pityriasis rosea is a very rare variant of PR. We are reporting a case of unilateral pityriasis rosea.

Keywords: Pityriasis rosea

How to cite this article:
Chopra A, Mittal R R, Prasad D. Pityriasis rosea unilateralis. Indian J Dermatol Venereol Leprol 1993;59:129

How to cite this URL:
Chopra A, Mittal R R, Prasad D. Pityriasis rosea unilateralis. Indian J Dermatol Venereol Leprol [serial online] 1993 [cited 2020 May 25];59:129. Available from: http://www.ijdvl.com/text.asp?1993/59/3/129/3907

  Introduction Top

Pityriasis rosea (PR) is a self-limiting disease characterized by erythematopapulosquamous lesions usually distributed on trunk, neck and proximal parts of extremities with minimal constitutional symptoms. In about 20% of patients the picture diverges from the classical one.[1] Papules, urticaria, vesicles, bullae, lichenoid lesions, non-palpable purpura, erythema multiforme-like lesions, gigantic plaques, and even exfoliative dermatitis have been reported . [2] Delcampo reported a unilateral variant of PR. [3]

  Case Report Top

A 11-year-old boy presented with mildly pruritic small oval erythematous plaques over left side of upper trunk and left upper arm. A single lesion was seen over left cheek. The herald patch was not present. The most of the lesions were oval, distributed with their long axes following the lines of cleavage of the skin, with peripheral collarette of scales. The lesions remained confined to the left side and no new lesions were seen during follow-up [Figure - 1]. The lesions healed within 3 weeks with slight hypopigmentation. The routine tests were normal and the histopathological findings were consistent with the diagnosis of PR.

  Comments Top

Pityriasis rosea unilateralis is very rare variant of PR, first reported by Delcampo. [3] Our case showed the lesions of PR over left side only. In our case the lesions were few in numbers and tended to remain localized.

  References Top

1.Wasilew SW. Pityriasis rosea (Gibert). Z Hautkr 1981; 57: 1028.  Back to cited text no. 1    
2.Parson, Richmond. Pityriasis rosea update. J Am Acad Dermatol 1986; 15: 159-67.  Back to cited text no. 2    
3.Delcampo DV, Barsky S, Tisocco L, et al. Pityriasis rosea unilateralis. Int J Dermatol 1983; 312-7.  Back to cited text no. 3    


[Figure - 1]

This article has been cited by
1 Pityriasis rosea unilateralis
Brar, B., Pall, A., Gupta, R.
Indian Journal of Dermatology, Venereology and Leprology. 2003; 69(1): 42-43


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