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Related Experiment Videos

Aneurysmal bone cyst in a Holstein bull.

E B Belknap1, S Brodie, J Lowry

  • 1Department of Clinical Sciences, College of Veterinary Medicine, Colorado State University, Fort Collins 80523.

Journal of the American Veterinary Medical Association
|November 1, 1992
PubMed
Summary

A young Holstein bull presented with a cranial hemimandible mass and anorexia. Diagnosis revealed an aneurysmal bone cyst of the mandible.

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Area of Science:

  • Veterinary Medicine
  • Comparative Pathology
  • Bovine Medicine

Background:

  • Aneurysmal bone cysts (ABCs) are rare, benign, expansile bone lesions.
  • Mandibular masses in cattle can significantly impact feeding and overall health.
  • Early diagnosis is crucial for effective management of oral pathologies in bulls.

Observation:

  • A 3-year-old Holstein bull exhibited a noticeable mass on the right hemimandible and within the oral cavity.
  • The mass was first observed two weeks prior to veterinary examination.
  • The bull displayed significant weight loss over 45 days and anorexia upon admission.

Findings:

  • Diagnostic imaging and clinical examination confirmed a diagnosis of aneurysmal bone cyst.
  • The lesion involved the cranial aspect of the right hemimandible.

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  • The cyst's location contributed to the observed clinical signs.

    • Implications:

    • This case highlights the importance of recognizing clinical signs associated with mandibular bone lesions in cattle.
    • Accurate diagnosis of aneurysmal bone cysts is essential for appropriate treatment planning.
    • Understanding the presentation of such conditions aids in improving bovine welfare and productivity.