Background: Recurrent aphthous stomatitis consists of the presence of abrasions or ulcerations located on mucosae (oral or genital).
Objectives: The aim of this article is to review the current literature providing the main causes related to recurrent aphthous stomatitis and insights into treatment and management of this clinical condition
Methods: Articles matching terms that correlated with “recurrent aphthous stomatitis” were searched on PubMed, EMBASE, and Cochrane Library and selected according to their pertinence.
Results: Several forms of aphthous stomatitis have been described, based on the extent (minor, major), morphology (herpetiform), and associations to other signs (Behçet syndrome or more complex inflammatory syndromes). Topical as well as systemic treatments have been described to obtain a faster remission of the aphthosis or to reduce associated symptoms such as pain.
Conclusions: Recurrent aphthous stomatitis can have a mild-to-severe clinical appearance, being mainly localized on the oral mucosa or at the level of the genital area. Different strategies have been described so far for its management and treatment.
Although skin biopsy with negative LEKTI immunostaining is helpful to diagnose this entity, 5 LEKTI immunoreactivity may be occasionally positive. 6 Trichoscopy could contribute to its correct diagnosis, 7 but hair abnormality may be unapparent during infantile period. 6,7 Although our clinicodermoscopic, pathological and immunohistochemical results support its diagnosis, genetic testing is mandatory for definitive diagnosis and prenatal counselling. 6 Currently, there are no curative therapies for NS. Emollients should be routinely applied. Topical steroids and calcineurin inhibitors can be used for severe skin inflammation and eczema lesions. 8 Intravenous or subcutaneous immunoglobulin could be safe and effective, 3,8 while clinical efficacy of biologics remains to be defined. 8 In conclusion, the compound heterozygous SPINK5 mutations with a known c.652C>T mutation and a novel gross deletion in this case highlight genetic diversity of SPINK5 mutations.
The evaluation of acne-prone skin and absent-to-mild acne is difficult because this condition is not associated with a clinically definable situation. Previous studies showed that apparently healthy skin in patients with previous episodes of acne shows microcomedos and infundibular hyperkeratosis upon reflectance confocal microscopy (RCM) evaluation. Our aim was to characterize the subclinical and microscopic characteristics of acne-prone skin by means of RCM and dynamic optical coherence tomography (D-OCT) and evaluate microscopic changes induced by treatment. A group of 20 patients received a daily combined treatment over a period of 3 months, consisting of probiotic supplementation with three strains of 109 colony-forming units of Lactobacillus (Lactobacillus reuteri, Lactobacillus casei subsp. rhamnosus, Lactobacillus plantarum) and a combined topical product of azelaic and hydroxypinacolone retinoate (HPR). Clinical evaluations and non-invasive imaging acquisitions using VISIA® System, RCM, and D-OCT were performed at baseline, and after 4 and 12 weeks. The total number of clinically evident non-inflammatory lesions decreased during treatment from 11.5 to 7.3 (p < 0.05). There was also an evident reduction in microscopic acne features at RCM and D-OCT, such as the number of small bright follicles, large bright follicles and vascular threshold density at 300 μm and 500 μm depths. The types and extent of microscopic alterations in acne-prone skin patients may not be evident by clinical scores. Patients with low investigator global assessment (IGA) grades are a heterogeneous population, characterized by different microscopic skin features. Acne-prone skin is susceptible to treatment, and RCM and D-OCT imaging are sensitive tools to objectively monitor subclinical skin changes.
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