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THROUGH THE DERMATOSCOPE
Year : 2017  |  Volume : 8  |  Issue : 1  |  Page : 75  

Dermoscopy of erythema multiforme


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

Date of Web Publication20-Jan-2017

Correspondence Address:
Dr. Feroze Kaliyadan
Department of Dermatology, King Faisal University, Al Hasa Campus, Al Hasa
Saudi Arabia
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2229-5178.198771

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How to cite this article:
Kaliyadan F. Dermoscopy of erythema multiforme. Indian Dermatol Online J 2017;8:75

How to cite this URL:
Kaliyadan F. Dermoscopy of erythema multiforme. Indian Dermatol Online J [serial online] 2017 [cited 2018 Sep 22];8:75. Available from: http://www.idoj.in/text.asp?2017/8/1/75/198771

A 17-year-old male patient presented with a 4-day history of raised, reddish skin lesions on multiple sites of the body. There was mild fever. On examination, typical target lesions were seen mainly over the palms and soles. A clinical diagnosis of erythema multiforme was made. Dermoscopy of a typical target lesion over the right palm [Figure 1] (polarized light, ×10, DermliteFoto II pro, attached to a Canon 650D – DSLR) showed clods of different colors – red, blue, purple, and black, corresponding to the central dusky zone (white arrow), a plain featureless area corresponding to the pale edematous zone (yellow arrow), and homogenous erythema corresponding to the outer red ring (black arrow). A few short linear vessels were also seen [Figure 2].
Figure 1: Clinical appearance of a typical target lesion on the palm

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Figure 2: Dermoscopy of typical target lesion in erythema multiforme: White arrow corresponding to the central dusky zone shows clods of different colors – red, blue, purple, and black. The yellow arrow shows a plain featureless area corresponding to the pale edematous zone, and the black arrow shows homogenous erythema corresponding to the outer red ring. A few short linear vessels were also seen (polarized light, ×10, DermliteFoto II pro, attached to a Canon 650D – DSLR)

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The typical target or iris lesions are characterized by three concentric zones – a central dusky zone, surrounded by a ring of pale edema and a peripheral red rim. There is minimal literature on the dermoscopy of erythema multiforme; bluish patches corresponding to the dusky centre and homogenous erythema corresponding to the peripheral erythematous rim have been described.[1] The image is presented to highlight the dermoscopic correlates of a typical iris lesion in erythema multiforme.

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   References Top

1.
Vázquez-López F, Kreusch J, Marghoob AA. Dermoscopic semiology: Further insights into vascular features by screening a large spectrum of nontumoral skin lesions. Br J Dermatol 2004;150:226-31.  Back to cited text no. 1
    


    Figures

  [Figure 1], [Figure 2]



 

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