July 2024 in “International Journal of Medical Science and Clinical Research Studies” Alopecia Areata Incognita causes sudden hair loss in young females but usually has a better outcome than other types.
April 2018 in “Journal of Investigative Dermatology” Higher levels of nidogen1 and type IV collagen are found in basal cell carcinoma compared to normal skin.
5 citations
,
February 2012 in “Australasian Journal of Dermatology” Two red-haired men with alopecia areata regrew black hair instead of red.
1 citations
,
October 2022 in “Scientific reports” Nestin identifies specific progenitor cells in hair follicles that can become outer root sheath cells.
January 1994 in “대한피부과학회지” Androgen receptor expression is similar in affected and unaffected scalp areas in androgenetic alopecia.
9 citations
,
May 2008 in “Journal of Clinical Oncology” A woman's ovarian tumor causing high testosterone was successfully removed, and her symptoms improved.
54 citations
,
January 1980 in “Dermatology” 17α-estradiol lotion can reduce hair loss but doesn't promote new hair growth.
October 2024 in “Journal of the Endocrine Society” Rare ovarian tumors can cause hyperandrogenism, even if imaging appears normal.
1 citations
,
September 2020 in “Journal of Dermatological Science” The gene LRRC15 is more active in balding areas of the scalp compared to non-balding areas.
1 citations
,
January 2022 in “Indian dermatology online journal” Fine needle aspiration with rapid on-site evaluation is useful for diagnosing pilomatrixoma.
3 citations
,
July 1990 in “PubMed” Human hair follicles can grow and form structures in a collagen gel, useful for studying hair cell growth.
31 citations
,
March 2017 in “Journal of The American Academy of Dermatology” Some breast cancer patients developed permanent hair loss after chemotherapy and hormonal therapy, showing patterns similar to common baldness and alopecia areata.
9 citations
,
March 2019 in “Scientific reports” Temporary ROS production in cultured human hair follicles promotes growth and stem cell activation.
1 citations
,
March 2000 in “PubMed” A 16-year-old boy's alopecia areata progressed unusually to resemble male pattern baldness.
72 citations
,
November 2002 in “Journal of Investigative Dermatology” Estrogen receptor α controls hair growth cycles and skin thickness in male mice.
2 citations
,
October 2023 in “The American journal of case reports” A man developed a benign tumor at his COVID-19 vaccination site, which was successfully removed with surgery.
December 2024 in “Tissue and Cell” A new method helps detect androgen receptor movement in cells, aiding research on hair loss treatments.
January 2021 in “Case Reports” A 71-year-old woman developed male-like features due to high testosterone levels caused by a benign ovarian tumor, which was successfully removed by surgery.
20 citations
,
January 1998 in “Dermatology” Newborn acne may be linked to family history of high male hormone levels.
A new lipid-based formula using myristyl myristate can improve estradiol treatment for hair loss.
February 2026 in “South Asian Research Journal of Biology and Applied Biosciences” Alopecia areata patients have higher hormone levels, suggesting hormonal screening could help in treatment.
4 citations
,
September 2020 in “Journal of Cutaneous Pathology”
14 citations
,
July 2016 in “Anatomical Science International” The study suggests that the arrector pili muscle is important for hair health and its damage might contribute to hair loss.
8 citations
,
August 2017 in “Skin appendage disorders” Red dots on the upper chest may be an early sign of certain types of hair loss.
22 citations
,
July 2012 in “International Journal of Trichology” Miniaturized hairs stay connected to muscle in alopecia areata, allowing possible regrowth, but not in androgenetic alopecia.
32 citations
,
September 1996 in “Archives of Dermatological Research” 6 citations
,
September 1996 in “Archives of Dermatological Research” 82 citations
,
November 1985 in “Archives of Dermatology” The newborn's skin condition improved over time, leaving only lighter skin patches.
20 citations
,
December 2010 in “JEADV. Journal of the European Academy of Dermatology and Venereology/Journal of the European Academy of Dermatology and Venereology” Decreased CD200 in hair follicles may cause immune issues in some alopecia areata cases.
May 2025 in “Journal of the ASEAN Federation of Endocrine Societies” Postmenopausal women with unusual hair growth should be checked for ovarian tumors.