13 Table 3.10: Basic lesions (n=405) Basic lesions n% Erythematous plaque 361 89, 1 Vesicles 397 98, 1 Pustules 29 7, 2 Crusts 59 14, 6 Ulcers 7 1, 7 Conclusion: The most common lesion is vesicles that make up 98.1%, followed by erythematous plaque 89.1%.