ISSN 2398-2950      

Telogen defluxion

ffelis
Contributor(s):

David Scarff

Synonym(s): Telogen effluvium


Introduction

  • Uncommon syndrome characterized by widespread hair loss.
  • Cause: stress  →  synchronization of anagen hair follicles into catagen  →  shedding of large numbers of telogen hairs 1-3 months later.
  • Treatment: none
  • Progress: good

Pathogenesis

Etiology

  • Major physiological stress, eg pyrexia, pregnancy lactation, surgery, anesthesia, shock, severe illness.

Predisposing factors

General

  • Major physiological stress.

Specific

Pathophysiology

  • Major metabolic stress   →   abrupt, premature cessation of growth of many anagen hair follicles   →   synchronization of these hair follicles in catagen   →   synchronization in telogen   →   new phase of follicular growth   →   shedding of large numbers of telogen hairs 1-3 months after stressful circumstance.

Diagnosis

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Miller W H Jr. (1990) Symmetrical trunkal hair loss in cats. Compend Contin Educ 12 (4), 461-70 CAB Direct.
  • Fadok V A (1985) The dynamics of hair growth and development. Dermatology Reports (1), 4-6 VetMedResource.

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