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Palliative Surgery in Two Dogs with Non-Curative Palatal Tumors  

Yoon, Hun-Young (Department of Veterinary Surgery, College of Veterinary Medicine, Konkuk University)
Lee, Jung-Ha (Department of Veterinary Surgery, College of Veterinary Medicine, Konkuk University)
Shin, Dong-Wook (Department of Veterinary Surgery, College of Veterinary Medicine, Konkuk University)
Park, Hee-Myung (Department of Veterinary Internal Medicine, College of Veterinary Medicine, Konkuk University)
Jeong, Soon-Wuk (Department of Veterinary Surgery, College of Veterinary Medicine, Konkuk University)
Publication Information
Journal of Veterinary Clinics / v.31, no.5, 2014 , pp. 425-429 More about this Journal
Abstract
Two dogs were presented with a history of anorexia, respiratory distress, or epistaxis. On physical examination, the dogs showed difficulty breathing and open-mouth breathing and large masses were found on the hard palate and soft palate. Cardiac arrest happened in case 2 and the dog was stabilized with cardiopulmonary resuscitation and oxygen therapy. Computed tomography demonstrated that the mass occupied the oropharynx, intrapharyngeal ostium, and laryngopharynx including the hard palate and soft palate in case 1. Palliative surgery was decided to improve swallowing and breathing with owner's consent in two dogs. Buccal mucosal flaps were performed for reconstruction of defects using rotational and single-pedicle advancement flaps and bilateral 90 degree transposition flaps in cases 1 and 2, respectively. Histopathology results described the oral masses as amelanotic melanoma in two dogs. The owners reported that there was normal swallowing and breathing at 7 days postoperatively in two dogs. In case 1, recurrent tumor was identified caudal to the hard palate 4 weeks after surgery. The owner did not allow further treatment and the dog became lost to follow-up at 2 months postoperatively. In case 2, there was no clinical or radiographic evidence of a local recurrence or distant metastasis at 3 weeks after surgery. The owner informed that the dog died suddenly with no signs of anything particularly wrong at 7 weeks after surgery.
Keywords
palatal tumor; palliative surgery; buccal mucosal flap; dog;
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