canker

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Apthous Ulcer
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Apthous Ulcer

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Apthous stomatitis is characterized by recurrent "crops" of painful superficial ulcerations of the oral mucosa. The etiology of this condition remains unknown. These acute lesions are well demarcated...

Apthous Ulcer
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Apthous Ulcer

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There is apthous ulcer on the lateral surface of this tongue.

Apthous Ulcer
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Apthous Ulcer

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This is the typical appearance of an Apthous Ulcer. Note the white ulcerated base surrounded by marginal erythema.

Apthous Ulcer Lip
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Apthous Ulcer Lip

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The white ulcerated lesion surrounded by an erythematous halo on the mucosal surface of this patient's lip is an apthous ulcer [sometimes referred to as a "canker"].