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Year : 2017  |  Volume : 4  |  Issue : 2  |  Page : 98-103

A clinico dermoscopic study of melasma in a tertiary care center

Department of Skin and VD, MMCRI, Mysuru, Karnataka, India

Correspondence Address:
Joice M Joseph
Department of Skin and VD, MMCRI, Mysuru, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2349-5847.219678

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Background: Melasma is a known, acquired, pigmentary disorder among females. It is very difficult to treat because of its variable response to treatment and rapid recurrence. Dermoscopy is an essential tool, by which, we can classify melasma based on its colour pattern and other findings. Aims and Objectives: To classify melasma by dermoscopic examination and correlate dermoscopic findings with the clinical diagnosis. Materials and Methods: A total of 100 patients attending the out patient department of skin department were included in the study. After obtaining the consent, the patients were examined in detail. The dermoscopic examination was performed, and findings were noted. Results: Out of 100 patients, who enrolled in this study, 80 patients were females, and 20 patients were males. On dermoscopy, 46 patients showed epidermal pattern, out of which 13 were males and 34 were females. Eighteen patients showed dermal pattern and 36 patients showed mixed pattern on dermoscopy. Between dermoscopic analysis and colour, a significant association was observed (Cramer’s V value = 0.534; P value = 0.000). We found that epidermal pattern was more associated with a light brown colour, whereas, the dermal pattern and mixed pattern were associated with ash grey colour and dark brown colour, respectively. Statistical analysis was performed by using percentage and bar diagrams. Both descriptive and inferential statistics were employed. Cramer’s V test was applied to find out the association using the Statistical Package for the Social Sciences software (SPSS Inc., Chicago, IL, USA). Conclusion: Dermoscopy can be used to assess the type of melasma by analysing colour pattern, as well as depth of pigmentation and to differentiate between melasma and exogenous ochronosis. From our observations, we conclude that dermoscopy can be used as a tool in the management of melasma and other dermatological disorders.

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