Subclinical ocular inflammation in patients with recurrent aphthous stomatitis
Related Experiment Video
Updated: Nov 22, 2025

Induction of Ocular Surface Inflammation and Collection of Involved Tissues
Published on: August 4, 2022
Betul Sereflican1, Umit Dogan2
1Department of Dermatology, Izzet Baysal Training and Research Hospital, Bolu Abant Izzet Baysal University, Bolu, Turkey.
Objective:
Recurrent aphthous stomatitis (RAS) is the major finding of Behçet's disease as well as an inflammatory disease. We compared the choroidal thickness (CT) in patients with RAS with healthy volunteers.
Methods:
Patients with RAS (n = 34) and age- and sex-matched controls (n = 34) were evaluated using spectral-domain optical coherence tomography (OCT). CT measurements were executed at 3 different points (subfoveal, nasal, and temporal). Laboratory parameters were determined for patients and controls.
Results:
The mean subfoveal CT in the RAS and control groups were 356.7 ± 91.7 μm and 326.3 ± 86.6 μm, respectively. The RAS group demonstrated significantly higher subfoveal CT than the control group (p = 0.008).
Conclusion:
This was the first reported study demonstrating a significantly higher subfoveal CT in patients with RAS. Further studies investigating the risk for subclinical ocular inflammation in this patient population are warranted.
Related Concept Videos
Endocarditis II: Clinical Features of Infective Endocarditis
Gastritis-II: Pathophysiology
In acute gastritis, the gastric mucosa becomes swollen and red and undergoes superficial erosion. Superficial ulceration may lead to bleeding.
In chronic gastritis, persistent or repeated insults lead to chronic inflammatory changes and, eventually, thinning or atrophy of the gastric tissue.
Gastritis can stem from various causes, each...
Chronic Pharyngitis
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...

