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  Table of Contents  
THROUGH THE DERMOSCOPE
Year : 2018  |  Volume : 9  |  Issue : 4  |  Page : 290-291  

The dermoscopic auspitz sign


Department of Dermatology, King Faisal University, Al Hasa, Kingdom of Saudi Arabia

Date of Web Publication2-Jul-2018

Correspondence Address:
Feroze Kaliyadan
Faculty of Dermatology, College of medicine,King Faisal University, Al-Hasa campus, Al Hasa
Kingdom of Saudi Arabia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/idoj.IDOJ_309_17

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How to cite this article:
Kaliyadan F. The dermoscopic auspitz sign. Indian Dermatol Online J 2018;9:290-1

How to cite this URL:
Kaliyadan F. The dermoscopic auspitz sign. Indian Dermatol Online J [serial online] 2018 [cited 2019 Jul 18];9:290-1. Available from: http://www.idoj.in/text.asp?2018/9/4/290/235714



A 20-year-old female patient presented to us with erythematous, scaly plaques over the extensor surfaces of the body. She had significant scaling over the scalp and associated nail changes, including pitting and onycholysis. A clinical diagnosis of chronic plaque psoriasis was made.

Using dermoscopy we were able to visualize regularly distributed dotted vessels on a light erythematous background [Figure 1]. On repeating the dermoscopy after scraping of the scales over part of the lesion, we were able to visualize the dotted vessels much more clearly, without inducing actual bleeding or discomfort to the patient [Figure 2].
Figure 1: Dermoscopy of psoriatic plaque showing white scales with regularly distributed dotted vessels on a light erythematous background (polarized light ×10, Foto ii pro)

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Figure 2: Same lesion in Figure 1 with scales gently removed showing the vessels more prominently without inducing actual bleeding (polarized light ×10, Foto ii pro)

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Dermoscopic features of plaque psoriasis include diffuse white scales with regularly distributed dotted vessels on a light erythematous background.[1] Auspitz's phenomenon/papillary tip bleeding denotes the presence of pinpoint bleeding of papillary vessels under easily detachable scales of psoriatic plaques.[2] When the presence of marked hyperkeratosis impedes the view of underlying features, scale removal may be useful to display the above-mentioned vascular pattern as well as possible tiny red blood drops. This has been referred to as the “dermoscopic Auspitz's sign.”[3]

We would like to suggest that the pattern of regular dotted vessels becoming prominent after removal of the scales itself strengthens the diagnosis of psoriasis, without actually having to induce bleeding. The dermoscopic Auspitz's sign is, thus, useful in demonstrating the concept behind the Auspitz's sign without causing significant pain or discomfort to the patient.

Declaration of patient consent

The authors certify that they have obtained all appropriate patient consent forms. In the form the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
   References Top

1.
Lallas A, Apalla Z, Argenziano G, Sotiriou E, Di Lernia V, Moscarella E, et al. Dermoscopic pattern of psoriatic lesions on specific body sites. Dermatology 2014;228:250-4.  Back to cited text no. 1
    
2.
Holubar K. The man behind the eponym. Remembering Heinrich Auspitz. Am J Dermatopathol 1986;8:83-5.  Back to cited text no. 2
    
3.
Vázquez López F, González-Lara L, Martin JS, Argenziano G. Dr K. Holubar (1936–2013). Teaching with dermoscopy: Revealing the subsurface morphology of Auspitz's sign and psoriasis. Int J Dermatol 2014;53:e322-4.  Back to cited text no. 3
    


    Figures

  [Figure 1], [Figure 2]



 

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