Indian Journal of Dermatology
BASIC RESEARCH
Year
: 2019  |  Volume : 64  |  Issue : 2  |  Page : 90--96

Biophysical measurements and ultrasonographic findings in chronic dermatitis in comparison with uninvolved skin


Taraneh Yazdanparast1, Kamran Yazdani2, Philippe Humbert3, Alireza Khatami5, Saman Ahmad Nasrollahi5, Leila Izadi Firouzabadi5, Alireza Firooz4 
1 Center for Research and Training in Skin Diseases and Leprosy, Tehran University of Medical Sciences, Tehran, Iran; Telemedicine Research Center, National Research Institute of Tuberculosis and Lung Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
2 Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
3 Research and Studies Center on the Integument, Department of Dermatology, Clinical Investigation Center, Besançon University Hospital, University of Franche-Comté, Besançon, France
4 Center for Research and Training in Skin Diseases and Leprosy; Clinical Trial Center, Tehran University of Medical Sciences, Tehran, Iran

Correspondence Address:
Dr. Alireza Firooz
Center for Research and Training in Skin Diseases and Leprosy, Tehran University of Medical Sciences, Tehran; Clinical Trial Center, Tehran University of Medical Sciences, Tehran
Iran

Background: Nowadays noninvasive techniques are performed to evaluate the biophysical properties of skin in vivo. Aims: The aim of this study was to evaluate the biophysical and ultrasonographic properties of skin in chronic contact or atopic dermatitis to provide better insight into pathogenesis, diagnosis, and treatment response. Materials and Methods: The stratum corneum hydration, transepidermal water loss (TEWL), pH, erythema, melanin, sebum, friction, temperature, elasticity parameters (R0, R2, and R5), the thickness and echo-density of epidermis, dermis, and subepidermal low-echogenic band (SLEB) were measured on lesional, perilesional, and symmetrical skin of 22 chronic dermatitis patients. The average of perilesional and symmetrical skin values (control) was compared with lesional values. Results: Stratum corneum hydration (P<0.001), friction (P=0.02), sebum (P=0.01), and R0 (P<0.001) were significantly lower in lesion, TEWL (P=0.03), pH (P=0.001), erythema (P=0.004), and temperature (P=0.04) were significantly higher in lesion. The thickness of epidermis (P=0.002), dermis (P=0.034), and SLEB (P<0.001) were significantly higher in lesion; and the echo-density of dermis (P<0.001) and SLEB (P<0.001) was significantly lower in lesion. Conclusion: Chronic contact and atopic dermatitis are characterized by certain changes in biophysical and biomechanical properties of the skin. The evaluation of these parameters might be useful in the early diagnosis and assessment of treatment response.


How to cite this article:
Yazdanparast T, Yazdani K, Humbert P, Khatami A, Nasrollahi SA, Firouzabadi LI, Firooz A. Biophysical measurements and ultrasonographic findings in chronic dermatitis in comparison with uninvolved skin.Indian J Dermatol 2019;64:90-96


How to cite this URL:
Yazdanparast T, Yazdani K, Humbert P, Khatami A, Nasrollahi SA, Firouzabadi LI, Firooz A. Biophysical measurements and ultrasonographic findings in chronic dermatitis in comparison with uninvolved skin. Indian J Dermatol [serial online] 2019 [cited 2019 May 25 ];64:90-96
Available from: http://www.e-ijd.org/article.asp?issn=0019-5154;year=2019;volume=64;issue=2;spage=90;epage=96;aulast=Yazdanparast;type=0