The study concludes that Twenty-nail dystrophy is more common in boys among children and in women among adults, with varying response to treatment.
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.
7 citations
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March 2004 in “Journal of the American Academy of Dermatology” Tiger tail banding and hair abnormalities are reliable indicators for diagnosing trichothiodystrophy.
10 citations
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January 1997 in “Dermatology” Two siblings were diagnosed with Trichothiodystrophy, identified by brittle hair and low sulfur content.
7 citations
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September 2011 in “International Journal of Dermatology” The Korean study found that twenty-nail dystrophy mainly affects adults, more often women, and has five distinct types with different clinical progressions.
53 citations
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March 2006 in “Biopolymers” TTD hair is brittle due to fewer sulfur amino acids and unstable disulfide bonds.
February 2026 in “Advanced Science” TTNPB helps turn stem cells into neural stem cells, improving depression-like behaviors in rats.
3 citations
,
January 2021 in “Molecular genetics & genomic medicine” The study found two new mutations in a Chinese patient with severe biotinidase deficiency.
21 citations
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May 2014 in “Toxicological Sciences” Toluene diisocyanate exposure can cause immune sensitization by interacting with proteins in hair follicles and sebaceous glands.
40 citations
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November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma and improves with gentler hair care.
May 2017 in “Journal of The American Academy of Dermatology” An intact skin barrier is crucial to prevent infection in cases of tether-induced tenosynovitis.
April 2012 in “Informa Healthcare eBooks” Temporal triangular alopecia is a lifelong condition with hairless patches on the side of the head that may be present from birth.
33 citations
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December 2005 in “British Journal of Clinical Pharmacology” The new testosterone patch works as well as the gel.
7 citations
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November 1997 in “Pediatric Dermatology” Trichothiodystrophy can be linked to urologic issues and high calcium in urine.
3 citations
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August 2023 in “Drug safety” Proactive monitoring and management are essential to maximize the benefits of Trastuzumab Deruxtecan while minimizing serious side effects.
1 citations
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January 2008 January 2023 in “Indian Dermatology Online Journal” A 23-year-old man has a benign, non-progressive hair loss patch that doesn't respond to treatment but can be cosmetically treated.
3 citations
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May 2018 in “Psychiatry and Clinical Psychopharmacology” N-acetylcysteine may help treat trichotillomania.
11 citations
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January 1989 Two patients had a unique form of trichothiodystrophy with reduced high-sulfur proteins in their hair.
Teprotumumab for thyroid eye disease commonly causes fatigue, brittle nails, dry eyes, hair loss, muscle spasms, and dry mouth, with rare serious events like blood clots.
January 2019 in “Clinical neuropharmacology” A girl's hair-pulling condition improved greatly after she started vitamin D treatment.
February 2026 in “Indian Journal of Dermatology” Upadacitinib may effectively treat twenty-nail dystrophy without causing pain.
January 2025 in “Clinical Dermatology Review” Trichoscopy helps accurately diagnose Netherton syndrome, often mistaken for atopic dermatitis.
January 2023 in “Indian dermatology online journal” A child with trichothiodystrophy also had autoimmune thyroiditis and anemia, which is a new finding.
56 citations
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March 2010 in “Journal of Dermatology” Most cases of Temporal Triangular Alopecia are found in early childhood and may be related to genetic conditions.
47 citations
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November 1966 in “Archives of Dermatology” Trichorrhexis nodosa is mainly caused by hair trauma, not a metabolic defect.
35 citations
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September 2011 in “The Journal of Dermatology” Trichoscopy helps accurately diagnose temporal triangular alopecia.
3 citations
,
January 2018 in “Frontiers in bioscience” Daily subcutaneous testosterone effectively restores testosterone levels in men.
22 citations
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July 2006 in “Annals of The Royal College of Surgeons of England” Hair or fiber wrapped tightly around a toe can lead to serious injury if not treated quickly.
June 2023 in “Zenodo (CERN European Organization for Nuclear Research)” DTC hair regrowth solutions are improving hair health and confidence with innovative, personalized approaches.