Preferred Label : Trichorrhexis nodosa;
ICD-11 definition : Trichorrhexis nodosa is a condition characterized by focal weakening of the hair shaft
in response to a variety of insults. The multiple microscopic nodules which develop
along the hair represent focal fraying of the cortex of the shaft and a weak point
where the hair will tend to fracture. Causes include hair straightening procedures,
thermal damage from hair-dryers, swimming-pool chemicals, excessive traction (e.g.
tight braids) or compulsive hair twisting. It is also a component of Pollitt syndrome
(q.v.).;
Origin ID : 1537798736;
Currated CISMeF NLP mapping
Trichorrhexis nodosa is a condition characterized by focal weakening of the hair shaft
in response to a variety of insults. The multiple microscopic nodules which develop
along the hair represent focal fraying of the cortex of the shaft and a weak point
where the hair will tend to fracture. Causes include hair straightening procedures,
thermal damage from hair-dryers, swimming-pool chemicals, excessive traction (e.g.
tight braids) or compulsive hair twisting. It is also a component of Pollitt syndrome
(q.v.).
