LARYNGEAL RHABDOMYOMA IN A GOLDEN RETRIEVER

A three-year-old male golden retriever had had progressive dyspnoea, e xercise intolerance, strider, and a modified bark for five months. A m ass 2 cm in diameter was present dorsal to the right side of the laryn x. Histological examination revealed cross-striations in some elongate d cells, consistent viith a diagnosis of rhabdomyoma, a diagnosis whic h was confirmed by positive immunohistochemical staining for myoglobin and desmin, The mass could not be removed without total laryngectomy and a permanent tracheostomy and the dog was euthanased.