Trichonodosis: A Case Report and Literature Review

August 2025 in “ Skin Appendage Disorders ”

Pattarada Chantanakul, Chinmanat Lekhavat

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trichonodosis minoxidil hair shaft disorder genetic predisposition Rogaine

Studysummary This case study observed that in a child with spontaneous trichonodosis, topical minoxidil and gentle hair care improved hair length and strength over two years, suggesting a potential genetic predisposition for the disorder. Our plain-language summary of this paper — not a Tressless recommendation.

Trichonodosis, a rare hair shaft disorder characterized by knotted hair, was observed in an 8-year-old girl with congenital onset and no mechanical triggers, suggesting a genetic predisposition. The case study highlights the use of topical minoxidil and gentle hair care, which improved hair length and strength over 2 years. This suggests that while treatment options are limited, topical minoxidil may offer therapeutic benefits for managing trichonodosis.

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