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Peer-reviewed veterinary case report

C-cell tumours of the thyroid in the horse.

Journal:
Equine veterinary journal
Year:
1984
Authors:
Lucke, V M & Lane, J G
Species:
horse

Plain-English summary

This study looked at two cases of C-cell tumors in the thyroid of a horse and a pony. Both animals had a noticeable lump near their throat and were constantly gulping. Tests showed that the tumors were made up of specific cells that produce hormones. After surgery to remove the tumors, the pony is doing well three years later, and the horse has continued to race successfully.

Abstract

The clinical and pathological aspects of two cases of C-cell (parafollicular cell) tumours of the thyroid are described. Both the horse and the pony presented with a paralaryngeal mass and a history of constant gulping. Ultrastructural examination of the tumours demonstrated that they were composed of C-cells containing typical, membrane-bound secretory granules. The pony is alive and well three years after surgery and the horse has raced successfully following removal of the tumour.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/6714201/