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Computed Tomographic Findings of Segmental Caudal Vena Cava Aplasia in Two Dogs

개에서 컴퓨터단층촬영에 의해 진단된 후대정맥 분절 무형성증 2 례

  • Lee, In (College of Veterinary Medicine.Research Institute of Veterinary Medicine, Chungnam National University) ;
  • Choi, Soo-Young (College of Veterinary Medicine.Research Institute of Veterinary Medicine, Chungnam National University) ;
  • Lee, Ki-Ja (College of Veterianary Medicine, Kyungpook National University) ;
  • Choi, Ho-Jung (College of Veterinary Medicine.Research Institute of Veterinary Medicine, Chungnam National University) ;
  • Lee, Young-Won (College of Veterinary Medicine.Research Institute of Veterinary Medicine, Chungnam National University)
  • 이인 (충남대학교 수의과대학.동물의과학 연구소) ;
  • 최수영 (충남대학교 수의과대학.동물의과학 연구소) ;
  • 이기자 (경북대학교 수의과대학) ;
  • 최호정 (충남대학교 수의과대학.동물의과학 연구소) ;
  • 이영원 (충남대학교 수의과대학.동물의과학 연구소)
  • Accepted : 2015.04.10
  • Published : 2015.04.30

Abstract

A 7-year-old intact female dachshund (Dog 1) and a 17-year-old intact male Yorkshire terrier (Dog 2) were presented for evaluation of mammary gland tumor and a regular checkup, respectively. Incidentally, segmental caudal vena cava aplasia was detected on CT images in both dogs. Absent postrenal segment (Dog 1) or discontinuation of caudal vena cava (Dog 2) were detected, but prerenal segment of caudal vena cava was continued to the dilated azygos vein. Segmental CVC aplasia should be considered when an abdominal vascular anomaly was evaluated with CT angiography in dogs.

유선종양의 병력이 있는 7년령의 중성화하지 않은 암컷 닥스훈트견과 중성화하지 않은 수컷 요크셔테리어견이 유선종양의 전이평가와 정기 검진을 위해 내원하였다. 두 증례 모두에서 복부 컴퓨터단층촬영 검사가 실시되었으며, 후대정맥 분절 무형성증이 우연히 발견되었다. 닥스훈트견은 복강내의 신후-후대정맥 분절이 결손되었고, 요크셔테리어견은 신전-후대정맥 분절이 신후-후대정맥 분절과 연속되지 않았다. 두 증례 모두에서 장골 정맥의 합류로 형성된 신전-후대정맥 분절이 확장된 홀정맥으로 연속되었다. 개에서 컴퓨터 단층촬영을 이용하여 복강내 혈관 기형을 평가할 때, 우연히 발견될 수 있는 후대정맥 분절 무형성증을 고려해야 한다.

Keywords

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