137 citations
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July 2004 in “Journal of The American Academy of Dermatology” This study observed that triple horizontal scalp biopsies provided a more accurate diagnosis of female pattern hair loss in women than a single horizontal biopsy, especially for those with advanced hair loss.
25 citations
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June 2003 in “Journal of Investigative Dermatology Symposium Proceedings” This study found that among Japanese women with diffuse hair loss, decreased hair density without changes in vellus hair was the most common and distinct pattern observed, highlighting differences from previous observations in other populations.
4 citations
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May 1989 in “Journal of the Royal Society of Medicine” Crohn's disease can cause hair loss before other symptoms appear.
August 2022 in “Our Dermatology Online” This study found that dermoscopy can help differentiate between types of diffuse alopecia in females, with yellow dots common in telogen effluvium and hair diameter diversity over 20% significant in female androgenetic alopecia.
This study found no significant differences in iron metabolism-related or thyroid function parameters between women with chronic diffuse hair loss and healthy controls.