Fig. 2

Clinical characteristics of canine vesicular cutaneous lupus erythematosus. a, b, c: erythematous macules progress to annular-to-polycyclic lesions with central flaccid vesiculation and peripheral erythema; skin lesions predominate on the ventral abdomen, medial thighs and axillae. d: with chronicity, ulceration can become more prominent. e, f: erosions at mucocutaneous junctions can be seen in some dogs