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Pruritus : Caution it might be scabies !

Kaoutar Laamari
Departement Of Dermatology, University Hospital Hassan II, University Hospital Hassan II, Morocco, Morocco

Published on: 2020-03-14

Abstract

Typical presentation includes a severely pruritic rash with a predilection for the extremities and the trunk [1].
The dermatoscopy is a very useful tool, The most specific lesions of scabiosis are the acarine groove and the delta wing sign, however, they are
of en excoriated due to scratching, which makes differential diagnosis difficult with other pathologies that run with pruritus [2].

Keywords

Scabies is an itching skin disease caused by the mite Sarcoptes scabiei which affects more than 100 million people worldwide. Regarded as a neglected tropical disease by the WHO, it is a major public health burden in endemic areas.

Clinical Image

Scabies is an itching skin disease caused by the mite Sarcoptes scabiei which affects more than 100 million people worldwide. Regarded as a neglected tropical disease by the WHO, it is a major public health burden in endemic areas. As direct skin-to-skin contact is the main route of transmission family members and sexual partners are often affected. Typical presentation includes a severely pruritic rash with a predilection for the extremities and the trunk [1].

The dermatoscopy is a very useful tool, The most specific lesions of scoliosis are the acarine groove and the delta wing sign, however, they are often excoriated due to scratching, which makes differential diagnosis difficult with other pathologies that run with pruritus [2].

We present the case of a 28-year-old woman, a doctor who presents localized pruritus and the appearance of erythematous papules on hands one week of treatment with oral antihistamines. In the anamnesis, she says that pruritus is predominantly nocturnal and points out that one of her friends present it. On physical examination, we observed the presence of erythematous papules, some of them excoriated, located mainly in the hands (Figure 1). At dermoscopy, we found some linear lesions and a delta sign (Figure 2).

  

                                                                                               

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Figure 1: Erythematous papules on hands.

 


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Figure 2: Some linear lesions and a delta sign.

 

Scabies is an itching skin disease caused by the mite Sarcoptes scabiei which affects more than 100 million people worldwide.

Regarded as a neglected tropical disease by the WHO, it is a major public health burden in endemic areas. As direct skin-to-skin contact is the main route of transmission family members and sexual partners are often affected. Typical presentation includes a severely pruritic rash with predilection for the extremities and the trunk. (1) The dermatoscopy is very usefool tool , The most specific lesions of scabiosis are the acarine groove and the delta wing sign , however, they are often excoriated due to scratching, which makes differential diagnosis difficult with other pathologies that run with pruritus

References

  1. Chosidow O. Scabies. e New England Journal of Medicine. 2006; 354:1718-72.
  2. Walter B, Heukelbach J, Fengler G, Worth C, Hengge U, Feldmeier H. Comparison of Dermoscopy, Skin Scraping, and the Adhesive Tape Test for the Diagnosis of Scabies in a Resource-Poor Setting. Archives of Dermatology. 2011; 147: 468-473.