Diagnostic imaging of nasal malignant melanoma in a dog

개 비강에서 발생한 악성 흑색종의 영상 진단 증례

  • Jung, Joohyun (College of Veterinary Medicine, Seoul National University) ;
  • Kwon, Jungkook (College of Veterinary Medicine, Seoul National University) ;
  • Chang, Jinhwa (College of Veterinary Medicine, Seoul National University) ;
  • Oh, Sunkyoung (College of Veterinary Medicine, Seoul National University) ;
  • You, Mi-Hyeon (College of Veterinary Medicine, Seoul National University) ;
  • Kim, Dae-Yong (College of Veterinary Medicine, Seoul National University) ;
  • Yoon, Junghee (College of Veterinary Medicine, Seoul National University) ;
  • Choi, Mincheol (College of Veterinary Medicine, Seoul National University)
  • 정주현 (서울대학교 수의과대학) ;
  • 권정국 (서울대학교 수의과대학) ;
  • 장진화 (서울대학교 수의과대학) ;
  • 오선경 (서울대학교 수의과대학) ;
  • 류미현 (서울대학교 수의과대학) ;
  • 김대용 (서울대학교 수의과대학) ;
  • 윤정희 (서울대학교 수의과대학) ;
  • 최민철 (서울대학교 수의과대학)
  • Accepted : 2008.07.30
  • Published : 2008.12.01

Abstract

A neutered male, 8-year-old, Pekingese, weighing 4.3 kg with a history of anorexia, sneezing, nasal discharge, and epistaxis for one month was referred. Soft tissue swelling around the nasal bone and small defects of the hard palate with a tiny round dark red mass were found on physical examination. The laboratory tests represented mild leukocytosis. On skull radiographs, soft tissue swelling and osteolytic change of the incisor bone, nasal bone, and maxilla were found. On computed tomography scan images, there was soft tissue attenuating opacity with calcified spots in the bilateral nasal cavities and frontal sinuses. Loss of nasal turbinate pattern and nasal septum was found. And destruction of the insicor bone, nasal bone, maxilla, hard palate, perpendicular palatine bone, and cribriform plate were identified. Nasal malignant melanoma was confirmed by nasal biopsy.

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