trichoclasia

(redirected from trichorrhexis nodosa)
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trichoclasia

a condition of extreme brittleness of the hair, often following an illness.
See also: Hair
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References in periodicals archive ?
Netherton syndrome (OMIM #256500) is an autosomal recessive disorder, characterized by congenital ichthyosiform erythroderma, atopic diathesis and trichorrhexis nodosa (3).
Some patients may have trichorrhexis nodosa and pili torti.
Bazex-Dupre-Christol syndrome (BDCS) is clinically characterized by multiple basal cell carcinomas of the face occurring mainly during the second and third decade of life, follicular atrophoderma predominantly of the dorsum of hands and feet and generalized hypotrichosis, sometimes with pili torti and trichorrhexis nodosa. Common associated features are milia, hypohidrosis and calcifying epithelial tumours.
The hair is difficult to comb and often not fragile, except when associated with trichorrhexis nodosa. (8)
* Microscopy of the hair: twisted hair (pili torti) with fractures of the hair shafts (trichorrhexis nodosa).