Congenital hypotrichosis

Buy now to access the full article, existing subscribers login

Sections available in full article Introduction, Presenting signs, Acute presentation, Age predisposition, Sex predisposition, Breed predisposition, Cost considerations, Special risks (e.g. anesthetic), Pathogenesis, Etiology, Pathophysiology, Timecourse (incubation, duration), Diagnosis, Presenting problems, Client history, Clinical signs, Diagnostic investigation, Confirmation of diagnosis, Gross autopsy findings, Histopathology findings, Differential diagnosis, Treatment, Initial symptomatic treatment, Standard treatment, Prevention, Group eradication, Sequelae, Prognosis, Sources, Publications, Vetstream contributor(s),
Contributors Dr Rosanna Marsella DVM DipACVD
Dr Ian Mason BVetMed PhD CertSAD DipECVD MRCVS
Mr David Scarff BVetMed CertSAD MRCVS
Synonyms Hereditary hypotrichosis

Introduction

  • Cause : rare congenital disorder of hair follicles.
  • Signs : decreased or absent hair coat from birth.
  • Diagnosis : clinical signs +/- skin biopsy  Biopsy: skin  .
  • Treatment : none.
  • Prognosis : cosmetic only.
  • Pili torti is a separate, rare, congenital disorder with rotation of the secondary hairs.
  • Diffuse thinning of hair coat by 10 days   →   generated alopecia, pedal dermatitis and paronychia.

Diagnosis

Clinical signs

  • Hairless or with thin coat which is lost within few weeks.
  • Burmese kittens: no whiskers, claws or papilla on tongue.
  • Some hair re-growth by 8-10 weeks; lost again by 6 months.

Diagnosis

Differential diagnosis

  • Pili torti.

Sequelae

Prognosis

  • Cats affected by pili torti die/euthanazed by 2 months of age.

Sources

Publications

Refereed papers

  • Casal M L, Straumann U, Sigg C, Arnold S & Rusch P (1994).Congenital hypotrichosis with thymic aplasia in nine Birman kittens.JAAHA30, 600-602.
  • Geary M R & Baker K P (1986)The occurrence of pili torti in a litter of kittens in England.JSAP27, p 85.

Other sources of information

  • Foil C S (1995)The skin.In:Veterinary Pediatrics. 2nd edn. Ed:J D Hoskins. Philadelphia: W B Saunders.

Sample content only, to unlock the full article login or buy now

Loading...