Journal of Veterinary Clinics (한국임상수의학회지)

The Korean Society of Veterinary Clinics (한국임상수의학회)
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Dynamic Computed Tomographic Characteristics of aColorectal Leiomyoma in a Dog

개에서 발생한 결장 평활근종에 대한 동적 컴퓨터 단층촬영 소견 1례

  • Accepted : 2015.04.10
  • Published : 2015.04.30
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Abstract

A 12-year-old neutered male Shih Tzu presented with constipation and dyschezia. Abdominal radiographs showed distension of the descending colon and dorsal compression of the colon by a soft tissue mass. The mass was well-marginated with homogeneous soft tissue attenuation and showed no evidence of metastasis on computed tomography (CT). The dynamic CT showed a consistently mild contrast enhancement. The perfusion and capillary permeability were lower than those of the gluteal muscle. The tentative imaging diagnosis was a benign intrapelvic tumor, which rarely shows angiogenesis. The mass was excised, and a leiomyoma was confirmed by histopathologic examination.

12년령 중성화 수컷 시추가 변비와 배변곤란 증상으로 내원하였다. 방사선 사진상 결장이 팽대되어 있으며 천추 수준에서 연부조직밀도의 종괴가 결장을 복측으로 압박하는 것이 관찰되었다. 컴퓨터 단층촬영상 종괴는 균일한 연부조직 정도의 감약성을 보이며 변연이 뚜렷하고 전이소견을 보이지 않았다. 동적 컴퓨터 단층촬영상 종괴는 촬영간 지속적인 낮은 조영증강을 보였으며 관류성 및 모세혈관 투과성은 둔부근육과 비교하여 낮은 것으로 평가되었다. 영상진단학적 검사상 종괴는 신생혈관 발달이 약한 골반강 내 양성 종양으로 잠정진단되었다. 종괴는 둔성분리를 통한 외과적 절제로 제거되었으며 조직검사결과 평활근종으로 진단되었다.

Keywords

References

  1. Beck JA, Simpson DS. Surgical treatment of gastric leiomyoma in a dog. Aust Vet J 1999; 77: 161-163. https://doi.org/10.1111/j.1751-0813.1999.tb11224.x
  2. Berninger WH. Physical aspects of dynamic computed tomography. Adv Neurol 1981; 30: 55-61.
  3. Bonnet S, Koenig A, Roux S, Hugonnard P, Guillemaud R, Grangeat P. Dynamic X-ray computed tomography. IEEE 2003; 91: 1574-1587. https://doi.org/10.1109/JPROC.2003.817868
  4. Chun HJ, Byun JY, Chun KA, Jung SE, Lee JM, Shinn KS. Gastrointestinal leiomyoma and leiomyosarcoma: CT differentiation. J Comput Assist Tumogr 1998; 22: 69-74. https://doi.org/10.1097/00004728-199801000-00012
  5. Holt PE, Lucke VM. Rectal neoplasia in the dog: A clinicopathological review of 31 cases. Vet Rec 1985; 116: 400-405. https://doi.org/10.1136/vr.116.15.400
  6. Hur BY, Kim SH, Choi JY, Rha SE, Lee MW, Kim SY, Han JK, Choi BI. Gastroduodenal glomus tumors: Differentiation from other subepithelial lesions based on dynamic contrast-enhanced CT findings. Am J Roentgenol 2011; 197: 1351-1359. https://doi.org/10.2214/AJR.10.6360
  7. Iseri T, Yamada K, Chijiwa K, Nishimura R, Matsunaga S, Fujiwara R, Sasaki N. Dynamic computed tomography of the pancreas in normal dogs and in a dog with pancreatic insulinoma. Vet Radiol Ultrasound 2007; 48: 238-331.
  8. Kapatin AS, Mullen HS, Matthiesen DT, Pantnalk AK. Leiomyosarcoma in dogs: 44 cases (1983-1988). J Am Vet Assoc 1992; 201: 1077-1079.
  9. Katamoto D, Kumagai N, Kouzai N, Takigami S, Kuwamura M, Yamate J, Kotani T. Space-occupying leiomyoma in the pelvic canal of a dog. J Small Anim Pract 2003; 44: 277-279. https://doi.org/10.1111/j.1748-5827.2003.tb00156.x
  10. McPherron MA, Withrow SJ, Seim HB III, Powers BE. Colorectal leiomyomas in seven dogs. J Am Anim Hos Assoc 1992; 28: 43-66.
  11. Michael AS, Mafee MF, Valvassori GE, Tan WS. Dynamic computed tomography of the head and neck: Differential diagnostic value. Radiology 1985; 154: 413-419. https://doi.org/10.1148/radiology.154.2.3966127
  12. Miles KA. Functional computed tomography in oncology. Eur J Cancer 2002; 38: 2079-2084. https://doi.org/10.1016/S0959-8049(02)00386-6
  13. Miles KA. Measurement of tissue perfusion by dynamic computed tomography. Br J Radiol 1991; 64: 409-412. https://doi.org/10.1259/0007-1285-64-761-409
  14. Miles KA. Tumour angiogenesis and its relation to contrast enhancement on computed tomography: a review. Eur J Radiol 1999; 30: 198-205. https://doi.org/10.1016/S0720-048X(99)00012-1
  15. Nitzl D, Ohlerth S, Muller Schwandt F, Angst A, Roos M, Kaser-Hotz B. Dynamic computed tomography to measure tissue perfusion in spontaneous canine tumors. Vet Radiol Ultrasound 2009; 50: 347-352. https://doi.org/10.1111/j.1740-8261.2009.01548.x
  16. Paramo JC, Gomez G. Dynammic CT in the preoperative evaluation of patients with gastric canver: Correlation with surgical findings and pathology. Ann Surg Oncol 1999; 6: 379-384. https://doi.org/10.1007/s10434-999-0379-7
  17. Spector DI, Fischetti AJ, Kovak-McClaran JR. Computed tomographic characteristics of intrapelvic masses in dogs. Vet Radiol Ultrasound 2011; 52: 71-74.
  18. Thrall DE, McEntee MC, Cline JM, Raleigh JA. ELISA quantification of CCI-103F in canine tumors prior to and during irradiation. Int J Radiat Oncol Biol Phys 1994; 28: 649-659. https://doi.org/10.1016/0360-3016(94)90190-2
  19. Van Camp S, Fisher P, Thrall DE. Dynamic CT measurement of contrast medium washin kinetics in canine nasal tumors. Vet Radiol Ultrasound 2000; 41: 403-408. https://doi.org/10.1111/j.1740-8261.2000.tb01861.x
  20. van der Vlugt-Meuer RH, Meu BP, Voorhout G. Dynamic helical computed tomography of the pituitary gland in healthy dogs. Vet Radiol Ultrasound 2007; 48: 118-124. https://doi.org/10.1111/j.1740-8261.2007.00215.x
  21. Wang JH, Min PQ, Wang PJ, Cheng WX, Zhang XH, Wang Y, Zhao XH, Mao XQ. Dynamic CT evaluaion of tumor vascularity in renal cell carcinoma. Am J Roentgenol 2008; 186: 1423-1430.