Type III hemifacial microsomia in a kitten

Jessica J Talbot1, Katja Voss, Julia Beatty

  • 1Valentine Charlton Cat Centre, Faculty of Veterinary Science, University of Sydney, Sydney, Australia.

Insights

This report details the first known case of hemifacial microsomia (HFM) in a domestic cat. The feline exhibited craniofacial malformations similar to those seen in human HFM cases.

Area of Science:

  • Veterinary Medicine
  • Genetics
  • Developmental Biology

Background:

  • Hemifacial microsomia (HFM) is a congenital disorder affecting facial development in humans.
  • It is characterized by underdevelopment of one side of the face.
  • Previous literature has not documented HFM in domestic cats.

Observation:

  • A domestic cat presented with significant craniofacial malformations.
  • The observed malformations bore a strong resemblance to human HFM.
  • This included asymmetry and underdevelopment of facial structures.

Findings:

  • This case represents the first documented instance of hemifacial microsomia in a domestic cat.
  • The feline's presentation aligns with the diagnostic criteria for HFM.
  • Genetic and developmental factors are likely involved.

Implications:

  • This finding expands the known spectrum of HFM occurrence to include domestic felines.
  • It may prompt further research into the genetic basis and developmental pathways of HFM in cats.
  • Understanding HFM in cats could offer comparative insights into the disorder in humans.

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