Computed Tomographic Evaluation of Three Canine Patients with Head Trauma

개에서 컴퓨터단층촬영을 이용한 두부 외상의 평가 3례

  • Kim, Tae-Hun (College of Veterinary Medicine, Chungbuk National University) ;
  • Kim, Ju-Hyung (College of Veterinary Medicine, Chungbuk National University) ;
  • Cho, Hang-Myo (College of Veterinary Medicine, Chungbuk National University) ;
  • Cheon, Haeng-Bok (College of Veterinary Medicine, Chungbuk National University) ;
  • Kang, Ji-Houn (College of Veterinary Medicine, Chungbuk National University) ;
  • Na, Ki-Jeong (College of Veterinary Medicine, Chungbuk National University) ;
  • Mo, In-Pil (College of Veterinary Medicine, Chungbuk National University) ;
  • Lee, Young-Won (College of Veterinary Medicine, Chungnam National University) ;
  • Choi, Ho-Jung (College of Veterinary Medicine, Chungnam National University) ;
  • Kim, Gon-Hyung (College of Veterinary Medicine, Chungbuk National University) ;
  • Chang, Dong-Woo (College of Veterinary Medicine, Chungbuk National University)
  • Published : 2007.12.31

Abstract

This report describes the use of conventional computed tomography(CT) for the diagnosis of head trauma in three canine patients. According to physical and neurologic examinations, survey radiography and computed tomography, these patients were diagnosed as traumatic brain injury. Especially, CT is the imaging modality of first choice for head trauma patients. It provides rapid acquisition of images, superior bone detail, and better visualization of acute hemorrhage than magnetic resonance imaging. It is also less expensive and more readily available. Pre-contrast computed tomography was used to image the head. Then, post-contrast CT was performed using the same technique. The Modified Glasgow Coma Scale(MGCS) score was used to predict their probability of survival rate after head trauma in these dogs. Computed tomogram showed fluid filled tympanic bulla, fracture of the left temporal bone and cerebral parenchymal hemorrhage with post contrast ring enhancement. However, in one case, computed tomographic examination didn't delineate cerebellar parenchymal hemorrhage, which was found at postmortem examination. Treatments for patients placed in intensive care were focused to maintain cerebral perfusion pressure and to normalize intracranial pressure. In these cases, diagnostic computed tomography was a useful procedure. It revealed accurate location of the hemorrhage lesion.

Keywords

References

  1. Finn-Bodner ST, Hudson JA, Coates JR, Sorjonen DC, Simpson ST, Cox NR, Wright JC, Steiss JE, Vaughn DM, Miller SC, Brown SA. Ultrasonographic anatomy of the normal canine spinal cord and correlation with histopathology after induced spinal cord trauma. Vet Radiol Ultrasound 1995; 36:39-48 https://doi.org/10.1111/j.1740-8261.1995.tb00211.x
  2. Kitagawa, M. Okada, M. Kanayama, K. Traumatic Intracerebral Hematoma in a Dog: MR Images and Clinical Findings. J Vet Med Sci 2005; 67: 843-846 https://doi.org/10.1292/jvms.67.843
  3. Mellanby RJ, Jeffery ND, Gopal MS, Herrtage ME. Secondary hypothyroidism following head trauma in a cat. J Feline Med Surg 2005 ; 7: 135-139 https://doi.org/10.1016/j.jfms.2004.08.002
  4. Nykamp S, Scrivani P, DeLahunta A, Yu-Speight A, Riis R. Chronic subdural hematomas and hydrocephalus in a dog. Vet Radiol Ultrasound. 2001 ; 42: 511-514 https://doi.org/10.1111/j.1740-8261.2001.tb00978.x
  5. Platt SR, Radaelli ST, Mcdonnell JJ. The prognostic value of the modified Glasgow Coma Scale in head trauma in dogs. J Vet Intern Med 2001; 15 : 581-584 https://doi.org/10.1892/0891-6640(2001)015<0581:TPVOTM>2.3.CO;2
  6. Plummer SB, Wheeler SJ, Thrall DE, Kornegay JN. Computed tomography of primary inflammatory brain disorders in dogs and cats. Vet Radiol Ultrasound 1992; 33: 307-312 https://doi.org/10.1111/j.1740-8261.1992.tb00148.x
  7. Seiler G, Cizinauskas S, Scheidegger J, Lang J. Low-field magnetic resonance imaging of a pyocephalus and a suspected brain abscess in a german shepherd dog. Vet Radiol Ultrasound 2001; 42: 417-422 https://doi.org/10.1111/j.1740-8261.2001.tb00962.x
  8. Tamura S, Tamura Y, Tsuka T, Uchida K. Sequential magentic resonance imaging of an intracranial hematoma in a dog. Vet Radiol Ultrasound 2006; 47: 142-144 https://doi.org/10.1111/j.1740-8261.2006.00120.x
  9. Syring RS, Otto CM, Drobatz KJ. Hyperglycemia in dogs and cats with head trauma: 122 cases (1997-1999). J Am Vet Med Ass. 2001; 218: 1124-1129 https://doi.org/10.2460/javma.2001.218.1124
  10. Vernau KM, LeCouteur RA, Sturges BK, Samii V, Higgins RJ, Koblik PD, Vernau W. Intracranial intra-arachnoid cyst with intracystic hemorrhage in two dogs. Vet Radiol Ultrasound 2002; 43: 449-454 https://doi.org/10.1111/j.1740-8261.2002.tb01032.x
  11. Wolf M, Pedroia V, Higgins RJ, Koblik PD, Turrel JM Owens JM. Intracranial ring enhancing lesions in dogs: a correlative CT scanning and neuropathologic study. Vet Radiol Ultrasound 1995 ; 36: 16-20 https://doi.org/10.1111/j.1740-8261.1995.tb00206.x