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Symmetrical brachydactyly in a dog.

Megan T Cray1, Ursula Krotscheck, Anthony J Fischetti

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Summary

This case report details isolated brachydactyly, a congenital shortening of digits, in a Maremma Sheepdog. The condition affected all phalanges, metacarpals, and metatarsals in digits two through five.

Keywords:
Bone developmentclinical orthopaedicsdevelopmental orthopaedic disorders

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Area of Science:

  • Veterinary Medicine
  • Canine Genetics
  • Congenital Malformations

Background:

  • Congenital malformations of the canine manus and pes are rare.
  • Brachydactyly, characterized by shortened digits, results from abnormal development of phalanges, metacarpals, or metatarsals.

Observation:

  • A case report of isolated brachydactyly in a one-year-old male Maremma Sheepdog is presented.
  • The condition affected all phalanges, metacarpals, and metatarsals of digits two through five.
  • Physical examination and radiographic imaging revealed additional abnormalities.

Findings:

  • Quantitative analysis confirmed brachydactyly.
  • Affected dog's metacarpal, metatarsal, and phalanx lengths were 50% to 77% of an unaffected littermate.
  • The study details the specific measurements of affected and unaffected limb bones.

Implications:

  • This report contributes to the limited veterinary literature on canine brachydactyly.
  • Understanding brachydactyly aids in diagnosis and management of congenital limb abnormalities in dogs.
  • Further research into the genetic and developmental basis of canine brachydactyly is warranted.