|THROUGH THE DERMATOSCOPE
|Year : 2017 | Volume
| Issue : 1 | Page : 75
Dermoscopy of erythema multiforme
Department of Dermatology, King Faisal University, Al Hasa, Saudi Arabia
|Date of Web Publication||20-Jan-2017|
Dr. Feroze Kaliyadan
Department of Dermatology, King Faisal University, Al Hasa Campus, Al Hasa
Source of Support: None, Conflict of Interest: None
|How to cite this article:|
Kaliyadan F. Dermoscopy of erythema multiforme. Indian Dermatol Online J 2017;8:75
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 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. The image is presented to highlight the dermoscopic correlates of a typical iris lesion in erythema multiforme.
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| References|| |
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.
[Figure 1], [Figure 2]