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Skeletal disease in a hypothyroid foal.
The Cornell Veterinarian
|October 1, 1984
Summary
Hypothyroidism in a young Thoroughbred colt caused significant skeletal abnormalities. These included delayed bone development and specific lesions like osteochondrosis dissecans, impacting growth.
Area of Science:
- Veterinary Medicine
- Endocrinology
- Equine Science
Background:
- Hypothyroidism is a common endocrine disorder in animals.
- Early diagnosis and treatment are crucial for preventing long-term complications.
Observation:
- A 5-month-old Thoroughbred colt presented with clinical signs suggestive of hypothyroidism.
- Diagnostic evaluations included clinical and clinico-pathology examinations.
- Microscopic examination of the thyroid gland confirmed the diagnosis.
Findings:
- The colt exhibited delayed ossification and cartilage model development.
- Epiphyseal plate closure was delayed, with transverse trabeculation observed in metaphyses.
- Specific skeletal lesions such as osteochondrosis dissecans and subchondral cysts were identified.
Implications:
- This case highlights the severe skeletal manifestations of hypothyroidism in young equines.
- Understanding these lesions is vital for accurate diagnosis and prognosis in affected foals.
- Early intervention may mitigate the severity of skeletal developmental issues.