Keloids and Hypertrophic Scars: Characteristic Vascular Structures Visualized by Using Dermoscopy
- Authors
- Yoo, Min Gun; Kim, Il-Hwan
- Issue Date
- 10월-2014
- Publisher
- KOREAN DERMATOLOGICAL ASSOC
- Keywords
- Blood vessels; Dermoscopy; Hypertrophic scar (hypertrophic cicatrix); Keloid
- Citation
- ANNALS OF DERMATOLOGY, v.26, no.5, pp.603 - 609
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- ANNALS OF DERMATOLOGY
- Volume
- 26
- Number
- 5
- Start Page
- 603
- End Page
- 609
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/97294
- DOI
- 10.5021/ad.2014.26.5.603
- ISSN
- 1013-9087
- Abstract
- Background: Keloids and hypertrophic scars represent excessive scarring. They require different therapeutic approaches, which can be hampered because of an apparent lack of morphologic difference between the two diseases. Objective: This study investigated the clinical and dermoscopic features of keloids and hypertrophic scars in order to help dermatologists distinguish these lesions better. Methods: A total of 41 keloids and hypertrophic scars in 41 patients were examined clinically and by performing dermoscopy with a digital imaging system. Lesions were evaluated for vascular structures. Results: Dermoscopy revealed vascular structures in most keloid lesions (90%) but in only 27% of hypertrophic scar lesions. The most common dermoscopic vascular structures in keloids were arborizing (52%), followed by linear irregular (33%) and comma-shaped (15%); these features were present but less evident in hypertrophic scars (9% for all types). The distribution frequency of the vascular structures differed significantly between diseases (p < 0.001). Conclusion: A strong association of vascular structures with keloids was observed on dermoscopic examination. The results suggest dermoscopic examination of vascular structures is a clinically useful diagnostic tool for differentiating between keloids and hypertrophic scars.
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