aphthous ulcer

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Noun1.aphthous ulcer - a blister on the mucous membranes of the lips or mouth or gastrointestinal tractaphthous ulcer - a blister on the mucous membranes of the lips or mouth or gastrointestinal tract
ulcer, ulceration - a circumscribed inflammatory and often suppurating lesion on the skin or an internal mucous surface resulting in necrosis of tissue
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The recurrent aphthous ulcer (RAU) is a pathological change found in the oral mucosa, characterised by painful single or multiple ulcers.
A study on aphthous ulcer and its association with stress among medical students of an indian medical institution.
Colonoscopic features included the ulcer distribution (focal involvement, segmental involvement), the number of ulcers in a local segment (1, or ≥ 2), ulcer type (longitudinal ulcer, circumferential ulcer, aphthous ulcer or irregular ulcer), cobblestone appearance, pseudo-polyps, and stricture.
Aphthous ulcers or recurrent aphthous ulcer (RAU) or canker sores are probably the most common and affect 5 to 25% of the population worldwide.
Most patients initially are mistakenly evaluated and treated for sexually transmitted disease, but the large, well-demarcated, painful, nonindurated deep nature of the ulcer is pathognomonic for an aphthous ulcer.
There was a small aphthous ulcer on her upper palate.
No case of aphthous ulcer, nasal discharge, nasal scar or deformity, septal perforation, or nodular or granulomatous cartilage lesion was found.
Patients having at least one aphthous ulcer, defined as round or oval ulcers with a gray-white pseudomembrane and an erythematous halo less than 5 mm in diameter were considered as RAS positive.
Whether caused by mucosal trauma or common aphthous ulcer, these benign lesions are source of acute pain that can disturb daily activities.