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Renewal of Skin Epidermal Stem Cells01:12

Renewal of Skin Epidermal Stem Cells

The skin is divided into epidermis, dermis, and hypodermis, the skin's outermost, middle, and inner layers. The human epidermal layer regularly undergoes renewal, where old, dead cells are replaced by new cells. Epidermal stem cells or EpiSCs divide and differentiate to restore the lost cells. For the renewal process, some EpiSCs continuously self-renew. In contrast, few others differentiate into transit-amplifying cells, which later form prickle or spinous cells, followed by granular cells,...

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Asynchronous Teledermatology for Non-Scarring Alopecia: A Retrospective Study.

Aliyyat Afolabi1, Elijah Brown1, Edra K Ha1

  • 1School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA.

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Summary

Asynchronous teledermatology effectively diagnoses and treats non-scarring alopecia, improving access to dermatologic care for diverse populations. This method enables timely interventions, especially for conditions like alopecia areata (AA) and androgenetic alopecia (AGA).

Keywords:
alopecia areataandrogenetic alopeciaasynchronous consultationshealth care disparitiesnon-scarring alopeciateledermatologytelogen effluviumtraction alopecia

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Area of Science:

  • Dermatology
  • Digital Health
  • Public Health

Background:

  • Non-scarring alopecia (androgenetic alopecia, alopecia areata, telogen effluvium, traction alopecia) significantly impacts psychosocial well-being.
  • Access to specialized dermatologic care is limited, particularly for underserved populations.
  • Asynchronous teledermatology offers a potential solution to extend care access.

Purpose of the Study:

  • Evaluate the diagnostic utility of asynchronous teledermatology for non-scarring alopecia.
  • Examine treatment patterns and care access improvements across diverse populations.
  • Assess the role of teledermatology within the UPMC network.

Main Methods:

  • Retrospective study of 321 asynchronous teledermatology cases (2022-2023).
  • Analysis of diagnoses, treatment types, and demographic data.
  • Utilized UPMC medical record system; longitudinal outcome data were limited.

Main Results:

  • Alopecia areata (AA) was the most common diagnosis (59.5%), followed by androgenetic alopecia (AGA) (26.5%).
  • Remote definitive diagnosis achieved in 91.3% of cases; only 8.7% required in-person follow-up.
  • High engagement from Black (22.7%) and Asian (12.9%) patients; 41.7% resided outside Pittsburgh.

Conclusions:

  • Asynchronous teledermatology is effective for diagnosing and managing non-scarring alopecia.
  • Teledermatology facilitates timely intervention and improves dermatologic care access.
  • Future research should focus on patient satisfaction, long-term outcomes, and equitable implementation strategies.