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Abstract

Unique histopathological type of chronic traumatic ulceration of the oral mucosa is the chronic inflammatory process with ulceration and eosinophilia, which may exhibit a pseudo invasive deep inflammatory reaction and regresses slowly.Interestingly, many of these lesions resolve after an incisional biopsy. The aim of this paper is to report four clinical cases of eosinophilic ulcers, with emphasis on an appropriate diagnosis by biopsy. In the four cases reported, an incisional biopsy was chosen because the lesions presented clinical characteristics of a probable squamous cell carcinoma, which was discarded after the surgical procedure and histopathological analysis. The performance of biopsy in cases of eosinophilic ulcer is essential for a correct diagnosis since the lesion resembles malignancies and other conditions.