{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,6]],"date-time":"2026-03-06T14:03:26Z","timestamp":1772805806570,"version":"3.50.1"},"reference-count":22,"publisher":"Wiley","issue":"11","license":[{"start":{"date-parts":[[2016,10,5]],"date-time":"2016-10-05T00:00:00Z","timestamp":1475625600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Int J Dermatology"],"published-print":{"date-parts":[[2016,11]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Acne vulgaris is a chronic inflammatory disease characterized by non\u2010inflammatory and inflammatory lesions that can cause scarring. Oral isotretinoin is the current recommended treatment for moderate and severe cases; however, there are reports of possible influences on the healing process of the skin, leading to an increase in the risk for hypertrophic scars and keloids. This hypothesis, although unproven, represents a contraindication to the treatment of acne scars during the 6\u201312 months after the cessation of isotretinoin.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objectives<\/jats:title><jats:p>The aim of this study was to investigate the prevalences of hypertrophic scars and keloids in acne patients treated with oral isotretinoin.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>Three data collection strategies were used: (i) clinical examination of patients with acne vulgaris, exposed or unexposed to oral isotretinoin, focusing on the occurrence of hypertrophic scars and\/or keloids; (ii) telephone interviews of patients using oral isotretinoin to treat acne vulgaris on the occurrence or worsening of keloids; and (iii) clinical examination of patients with previous use of oral isotretinoin followed at a specific keloid treatment clinic.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>The resulting data showed no differences in wound healing.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions<\/jats:title><jats:p>These findings may indicate that the occurrence of hypertrophic scars or keloids in patients using oral isotretinoin is an undesirable event arising from an individual response and may be related to inflammatory acne evolution.<\/jats:p><\/jats:sec>","DOI":"10.1111\/ijd.13317","type":"journal-article","created":{"date-parts":[[2016,7,15]],"date-time":"2016-07-15T23:07:29Z","timestamp":1468624049000},"page":"1255-1258","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":20,"title":["Observational retrospective study evaluating the effects of oral isotretinoin in keloids and hypertrophic scars"],"prefix":"10.1111","volume":"55","author":[{"given":"Lilia R. 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