January 2022 in “European journal of anatomy” A man had four testicles, two of which were outside the scrotum and looked like fatty lumps.
20 citations
,
July 2005 in “Experimental dermatology” The fuzzy gene is crucial for controlling hair growth cycles.
15 citations
,
April 1970 in “PubMed” Netherton's syndrome may have a familial link and doesn't always include atopy.
174 citations
,
July 2003 in “The Journal of Clinical Endocrinology & Metabolism” Five new mutations in the androgen receptor gene were found, helping to understand androgen insensitivity syndrome better.
42 citations
,
September 1985 in “British Journal of Dermatology” Trichothiodystrophy causes abnormal protein deposits and distortion in hair follicles.
January 2026 in “American Journal of Medical Genetics Part A” A new genetic variant causes trichothiodystrophy in two brothers, but their mother may carry it without showing symptoms.
12 citations
,
January 2019 in “International Journal of Trichology” Trichoscopy is useful for detecting and monitoring androgenetic alopecia.
53 citations
,
May 1996 in “The Journal of Clinical Endocrinology & Metabolism” Different mutations in the 5 alpha-reductase-2 gene were found in affected individuals in the Dominican Republic, suggesting no common ancestry.
60 citations
,
October 2009 in “Dermatology” Alopecia areata may appear differently depending on the individual's type of hair loss and scalp condition.
May 2025 in “Indian Dermatology Online Journal” Trichoscopy is crucial for diagnosing rare genetic hair disorders.
2 citations
,
January 2018 in “International Journal of Trichology” Two sisters had a rare hair condition without other usual symptoms.
February 2026 in “Frontiers in Pediatrics” Consider trichobezoars in young girls with vague symptoms for accurate diagnosis.
3 citations
,
January 2021 in “Medicinski arhiv” Trichoscopy, a hair loss evaluation technique, found that people with Androgenetic Alopecia have more thin hairs, yellow dots, and perifollicular discoloration than healthy individuals.
4 citations
,
November 2016 in “The Journal of Dermatology” Pili torti hair is fragile due to loose keratin filaments and weak disulfide bonds.
1 citations
,
August 2011 in “Dermatology Reports” Two siblings were found to have a genetic condition causing progressive hair loss and woolly hair, which may often be misdiagnosed.
January 2014 in “International Journal of Trichology” A man had an unusual type of hair loss that didn't match known patterns and didn't improve with treatment.
7 citations
,
August 2013 in “Journal of the European Academy of Dermatology and Venereology” Less than a quarter of alopecia areata cases were unusual forms or had paradoxical regrowth.
September 2016 in “Journal of Dermatological Science” Polarizing light microscopy can easily and reliably diagnose congenital keratinizing disorders like Netherton syndrome.
2 citations
,
June 2023 in “Skin Research and Technology” Yellow dots and short vellus hairs are the most common signs of Alopecia Areata (AA), and trichoscopy can help diagnose AA and track treatment progress.
10 citations
,
August 2011 in “Clinics” The author clarified that Alopecia Areata Incognita (AAI) and diffuse Alopecia Areata (AA) are different conditions and the case discussed was actually AA, not AAI.
April 2024 in “Journal of cosmetic dermatology” Children with alopecia areata have more exclamation mark hairs and fewer yellow dots than adults.
March 2003 in “中華皮膚科醫學雜誌” Trichothiodystrophy causes unusual hair and developmental issues.
June 2018 in “The Medical Journal of Cairo University/The Medical Journal of Cairo University” Dermoscopy can quickly and reliably distinguish Tinea Capitis from Alopecia Areata by identifying specific hair patterns.
35 citations
,
September 2003 in “Archives of dermatology” Tiger tail bands in hair are caused by wavy hair fibers with melanin, unlike straight fibers in normal hair.
October 1995 in “Pediatric Research” July 2025 in “INTERNATIONAL JOURNAL OF SCIENTIFIC RESEARCH” Trichoscopy is crucial for diagnosing alopecia areata by identifying specific hair features.
22 citations
,
February 2000 in “Journal of the American Academy of Dermatology” Eosinophils are not a reliable marker for diagnosing alopecia areata.
3 citations
,
June 2002 in “PubMed” Two sisters with Netherton's syndrome had skin and hair issues, needing special diet and ointments.
20 citations
,
December 2010 in “Journal of Morphology” Lizard claws have hair-like keratins similar to those in mammals.
5 citations
,
November 2012 in “Journal of the American Academy of Dermatology” A 3-year-old girl has short anagen syndrome, causing her hair to stay short.