Ellis et al: Comparison of Hounsfield Units within the Humeral Trochlea and Medial Coronoid Process in a Population of Labrador X Golden Retriever Guide Dogs and Border Collies
Veterinary and Comparative Orthopedics and Traumatology 3, 2024

🔍 Key Findings Summary

• 86 elbows assessed: 32 Guide Dogs, 11 Border Collies
• Guide Dogs showed significantly higher HU values in:
  • MCP: min (p = 0.022), mean (p < 0.01), max (p < 0.01)
  • Humeral trochlea: mean (p < 0.01), max (p < 0.01)
• Results imply breed-associated HU variation, not necessarily pathologic sclerosis
• Relevance: Important to avoid false positives for elbow dysplasia during CT-based breeding screens
• Good interobserver agreement for mean HU values (ICC ~0.82–0.90)