Oral erythroplakia—What is it?

Oral erythroplakia is a rare type of lesion, and little is known about the origin of the lesion. It has traditionally been described as the red counterpart of oral leukoplakia, which implies that it is a red lesion that cannot be characterized clinically or pathologically as any other definable lesion. A definition by exclusion is less satisfactory than a positive description to define a lesion, and as erythroplakia probably is related to lichenoid lesions, a new approach to perceive the lesion is proposed based on the clinical features of a fiery red, sharply demarcated lesion situated at a slightly lower level than the surrounding mucosa. Such a definition would probably help clinicians distinguish erythroplakia from other red lesions of the oral mucosa. Although the course of such lesions varies, a significant proportion will develop malignancy, which is why they should be followed at short intervals.

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