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Subepiglottic cyst causing upper airway obstruction in a neonatal calf
J S Mattoon1, D Andrews, S L Jones
1Department of Radiological Sciences, University of California, Davis 95616.
Journal of the American Veterinary Medical Association
|September 15, 1991
Summary
A congenital pharyngeal cyst caused respiratory stridor in a Brahman calf. Surgical removal was successful, with the cyst originating from a thyroglossal duct remnant.
Area of Science:
- Veterinary Medicine
- Developmental Biology
- Surgical Pathology
Background:
- Congenital pharyngeal cysts are rare in livestock.
- Respiratory stridor in neonates can indicate upper airway obstruction.
- Thyroglossal duct remnants can form cysts during embryonic development.
Observation:
- A 14-day-old Brahman calf presented with persistent respiratory stridor from birth.
- Diagnostic imaging (radiography) and endoscopy revealed a pharyngeal cyst.
- The cyst was located in the subepiglottic region.
Findings:
- Surgical excision of the pharyngeal cyst was performed.
- Histopathologic examination confirmed the cyst's nature.
- The cyst's characteristics were consistent with a thyroglossal duct remnant origin.
Implications:
- This case highlights the importance of considering congenital anomalies in neonatal respiratory distress.
- Successful surgical management of pharyngeal cysts in calves is feasible.
- Understanding embryologic origins aids in diagnosing and treating similar veterinary conditions.