5 citations
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March 2018 in “Dermatologic Surgery” In this study, researchers found all donor sites except the neck region suitable for midfrontal hairline restoration in Southeast Asian women, with donor site hair density and diameter tending to decline with age.
March 2026 in “Frontiers in Medicine” This study reported that two male patients with diffuse unpatterned alopecia exhibited donor-area involvement in both the vertex and occiput, challenging the assumption of occipital stability for hair transplantation, and showed partial improvement following treatment with oral finasteride and topical minoxidil.
1 citations
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January 2017 in “International Journal of Dermoscopy” This study found that trichoscopic digital imaging is a safe and accurate method for assessing the donor area in patients undergoing hair transplantation, helping to plan graft utilization based on hair density and follicular unit measurements.
3 citations
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November 2017 in “The American Journal of Cosmetic Surgery” This study evaluated donor area scars in hair restoration using a new assessment scale and found that most patients had good quality scars, with average scores of 15 or less out of 40.
2 citations
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January 2019 in “PubMed” This study examined the follicular unit density in the scalp and beard donor areas of Indian men undergoing hair restoration surgery, reporting mean densities of 78.2/cm² and 49.7/cm² respectively, and proposed guidelines for safe follicular unit extraction.