PMC8131160_01
Mucosal involvement of the palate.
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However, intraoral examination revealed diffuse and painful irregular erythematous lesions and postbullous ulcerations on the palate (Figure 1) and all buccal mucosae.
Histopathology of EM minor. A dermal inflammatory infiltrate consisting of lymphocytes, histiocytes, and necrotic epidermal cells.
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A dermal inflammatory infiltrate consisting of lymphocytes and histiocytes was identified as well as some necrotic epidermal cells (Figure 2).
Oral lesions of oral erythema multiforme. The oral lesions involve (a) the gingival, (b) labial, and (c) buccal mucosae and vermilion of the lips.
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Unfortunately, one month later, the patient reported complaints about more severe postbullous lesions on buccal, gingival, and labial mucosae (Figure 3).
Clinical presentation of EM: (a) target lesions on the right arm and left thumb; (b) target lesions on the back; (c) crusty blister.
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