International Journal of Trichology International Journal of Trichology
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Year : 2019  |  Volume : 11  |  Issue : 3  |  Page : 118-122

Correlation of trichoscopic findings in androgenetic alopecia and the disease severity

Department of Dermatology Venerology and Leprology, CARE Hospitals, Hyderabad, Telangana, India

Correspondence Address:
Dr. Amudha Ummiti
Flat No-305, 1-8-725/A2, Surya Shanti Emerald Apartments, Nallakunta, Hyderabad - 500 044, Telangana
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijt.ijt_103_17

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Background: Androgenetic alopecia (AGA) refers to the appearance of the common nonscarring progressive patterned loss of terminal hair on the frontal scalp and/or vertex of the scalp in both men and women, seen with increasing age in genetically predisposed individuals. Until recently, a scalp biopsy was the only objective tool to diagnose and monitor the disease severity. Trichoscopy of scalp is a new noninvasive technique applied to facilitate the diagnosis of hair and scalp disorders using a manual or video dermatoscope. We found a significant difference in some of the variables such as brown peripilar sign (BPPS), white peripilar sign (WPPS), focal atrichia which may aid in the diagnosis of early and late stages of both male and female AGA along with its clinical correlation. No significant difference in the occipital area was found in all AGA patients. Aims: This study aims to study the trichoscopic findings of AGA and to correlate their relationship with disease severity in our tertiary care hospital. Settings and Design: This was a prospective, observational study. Subjects and Methods: A total of 91 patients (66 males and 25 females) of the age group between 18 and 70 years, were included in the study at the outpatient department of dermatology in 1 year. Each patient underwent a detailed general physical, systemic, and dermatological examination. The diagnosis of AGA was based on clinical grounds. The type of hair loss in each patient was recorded. Trichoscopic evaluation and capture of trichoscopic images was performed using an eScope Oitez Digital Microscope. Ethics: In accordance with the Helsinki Declaration of 1975 (revised in 2000), the study was approved by Ethical and Scientific Research committees of Care Institute of Medical Sciences, Hyderabad. Statistical Analysis Used: Statistical analysis was carried out with R-studio. Statistical significance in the difference in the outcome variables between the stages was assessed by Fisher's exact test. The statistical test was considered statistically significant at P < 0.05. Results: A positive correlation between clinical and trichoscopic findings with respect to disease severity was seen in some of the variables in our study. Both male and female AGA patients have hair shaft thickness heterogeneity as the most common feature. BPPS is seen in early grades of AGA (P < 0.01); WPPS and focal atrichia are seen in later grades of AGA (P < 0.01). Scalp honeycomb pigmentation was most commonly seen in all stages and is not correlated to the disease severity of AGA. Conclusion: As trichoscopy can reveal early variations in hair follicle diameter long before hair loss becomes clinically visible and has the advantage of examining larger areas in a relatively short duration makes it a practical choice for clinic set up. It adds new easily recognizable images for visual teledermatology. Besides, the easy documentation allows the doctor and patient to view the video graphics images simultaneously and helps in evaluating a therapeutic response by comparing it with pre-treatment images.

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