<unk>  is diagnosed clinically by assessing the appearance of red plaques on the lower legs and the inner side of the ankle.<unk>  can resemble a number of other conditions, such as cellulitis and contact dermatitis, and at times needs the use of a duplex ultrasound to confirm the diagnosis or if clinical diagnosis alone is not sufficient.
Stasis dermatitis
Cellulitis
Nummular dermatitis
Phototoxic tar dermatitis
Xerotic eczema
Lacquer dermatitis
Noxzema
Essential dermatitis