Synonym(s)
Bamboo hair; Bamboo Hair; bamboo hairs (e); invaginated trichorrhexis; OMIM 256500; Trichorrhexis Syndrome
DefinitionThis section has been translated automatically.
Characteristic hair shaft anomaly (keratinization defect) with microscopically detectable ball-joint like intussusception and distension of the hair shaft. Partial aspect of Netherton syndrome.
EtiopathogenesisThis section has been translated automatically.
The cause of the hair shaft alteration is a cornification disorder, which leads to increased growth of the cells of the outer root sheath; as a result, the cells of the inner root sheath are pressed inwards and enclosed by the outer layers.
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ManifestationThis section has been translated automatically.
In newborns in the first weeks of life, usually until the 6th month of life. Girls are more frequently affected.
Clinical featuresThis section has been translated automatically.
Sparse, thin, brittle, dry hair, usually not longer than 3-4 cm.
LaboratoryThis section has been translated automatically.
Increased excretion of arginic succinic acid in urine.
HistologyThis section has been translated automatically.
Nodular distension of the hair shaft due to telescopic compression and invagination.
TherapyThis section has been translated automatically.
No effective therapy known. With increasing age, improvements in hair shaft changes can be detectable.
Progression/forecastThis section has been translated automatically.
Mostly improvement of the hair condition with increasing age.
LiteratureThis section has been translated automatically.
- Blaschke S et al (1998) Comel-Netherton syndrome. dermatologist 49: 499-504
- Camacho - Martinez F (1989) Localized trichorrhexis nodosa. J Am Acad Dermatol 20: 696-697
- Krasagakis K et al (2003) Early development of multiple epithelial neoplasms in Netherton syndrome. Dermatology 207: 182-184
- Netherton EW (1958) A unique case of trichorrhexis nodosa - "bamboo hairs Arch Dermatol 78: 483-487
- Rudnicka L et al (2018) Trichoscopy in Hair Shaft Disorders. Dermatol Clin 36:421-430.
- Steranovic DV et al (1992) Pathogenesis in trichorrhexis invaginata (Bamboo hairs). Eur J Dermatol 2: 15-20
- Touraine A, Solente D (1937) Erythrokeratoderma du cuir chevelu et "Trichorrhexis nodosa" familiales. Bull Soc francaise Dermatol Syphiligr 44: 44
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Incoming links (6)
Bamboo hair; Comel-netherton syndrome; Hair shaft anomalies (overview); Invaginated trichorrhexis; Netherton syndrome; Trichoclasia;Outgoing links (1)
Netherton syndrome;Disclaimer
Please ask your physician for a reliable diagnosis. This website is only meant as a reference.
Prof. Dr. med. Peter Altmeyer
