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 NET STUDY
Year : 2019  |  Volume : 85  |  Issue : 4  |  Page : 439-

Nail fold dermoscopy in collagen vascular disorders: A cross-sectional study


Department of Dermatology, Venereology and Leprology, Government Medical College, Amritsar, Punjab, India

Correspondence Address:
Dr. Parul Chojer
H. No. 119 Phulkian Enclave, Patiala, Punjab
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijdvl.IJDVL_495_18

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Background: The collagen vascular disorders, particularly systemic sclerosis, dermatomyositis, systemic lupus erythematosus and mixed connective tissue disorder, are often characterized by microangiopathic abnormalities of the nail folds. Nail fold dermoscopy is a well-established technique to assess these vascular changes. Aims: To evaluate finger nail capillary vascular abnormalities by dermoscopy and their correlation with cutaneous and systemic involvement in the patients of collagen vascular disorders. Methods: This was a cross-sectional study involving patients of collagen vascular disorders presenting to Government Medical College, Amritsar over a period of 2 years. Nail fold dermoscopy was done in these patients and correlated with cutaneous and systemic involvement. Statistical analysis was done using SPSS 17.0 version. Results: A total of 30 patients were enrolled in the study. Sixteen (53.3%), 11 (36.7%) and 3 (10%) patients of systemic sclerosis, systemic lupus erythematosus and mixed connective tissue disorder, respectively were included for nail fold dermoscopy. The commonest change recorded in our study was dilated capillaries in 21 (70%) patients, followed by capillary dropouts in 17 (56.7%) patients and avascular areas in 16 (53.3%) patients. Of 17 patients presenting with sclerodactyly, active, early and late patterns were seen in 7 (41.2%), 2 (11.8%) and 7 (41.2%) patients, respectively. Out of 13 patients with respiratory involvement, active, early and late patterns were seen in 1, 1 and 7 (53.8%) patients, respectively (P value = 0.004). Limitations: Owing to lesser number of patients in our study, it is difficult to draw conclusive recommendations, and more studies with a larger sample size are required. Conclusion: Dermoscopy is a valuable tool not only to diagnose collagen vascular disorders but also for prognostication by correlating with systemic involvement.






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