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Updated: Sep 10, 2025
11:05
Intravital Longitudinal Imaging of Vascular Dynamics in the Calvarial Bone Marrow
Published on: April 11, 2025
464
Magnetic Resonance Imaging Assessment of Normal Skull Bone Marrow Development in Dogs
Giulia Corsini1, Barbara Jardin Gomes2, Josep Brocal1,3
1Anderson Moores Veterinary Specialists, Part of Linnaeus Veterinary Limited, Winchester, UK.
Summary
This study maps canine skull bone marrow development using MRI, revealing age-related changes in fatty conversion. Findings aid in distinguishing normal bone marrow from pathology in veterinary diagnostics.
Area of Science:
- Veterinary Radiology
- Canine Anatomy
- Hematopoiesis
Background:
- Bone marrow is crucial for blood cell production.
- Limited research exists on canine skull bone marrow development.
- Understanding normal development is key for diagnosing skull pathologies.
Purpose of the Study:
- To assess the normal MRI appearance of skull bone marrow development in dogs.
- To establish a model for canine skull bone marrow conversion.
- To provide reference data for clinical veterinary practice.
Main Methods:
- A multicenter retrospective study of 40 dogs undergoing MRI.
- Dogs were grouped by age (<6 months, 6-11 months, 12-18 months, 18 months-6 years).
- MRI assessed signal intensity, homogeneity, and contrast enhancement in skull regions.
Main Results:
- Calvarium and skull base converted to fatty marrow earliest (by 6 months).
- TMJ and maxillofacial bones converted later (by 12 months).
- Contrast enhancement decreased with age, correlating with marrow conversion.
Conclusions:
- Age significantly influences canine skull bone marrow conversion.
- A rostro-caudal conversion tendency was observed.
- This study offers vital reference data for veterinary MRI interpretation.
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