Darian sign Images
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Darian signs in a teleangiectasia macularis eruptiva perstans.
Darian signs in a telangiectasia macularis eruptiva perstans.
Darian signs of Urticaria pigmentosa: The previously not very noticeable light brown "spots" turn an intense red after light rubbing and become papable (marked by arrows).
Urticaria pigmentosa of childhood: extensive redness and urticarial reaction in the lesions after mechanical irritation.