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Acta Radiol. 2013 Jun;54(5):569-75. doi: 10.1258/ar.2012.120264. Epub 2013 Apr 30.

MR cisternography/myelography of post-traumatic spinal CSF fistulae and meningeal lesions in small animals.

Author information

  • 1Facultad de Medicina, Universidad Complutense de Madrid - Radiology, Madrid, Spain almugo7557@gmail.com.
  • 2Facultad de Medicina, Universidad Complutense de Madrid - Radiology, Madrid, Spain.

Abstract

BACKGROUND:

The diagnosis of post-traumatic spinal cerebrospinal fluid (CSF) fistulae due to dural tears or lesions remains a challenge. Thus far, CT myelography is the standard test used to diagnose these complications.

PURPOSE:

To evaluate the diagnostic ability of gadolinium-enhanced MR cisternography/myelography (intrathecal gadopentate dimeglumine or Gd-DTPA) in small animals that had experienced accidental spinal trauma.

MATERIAL AND METHODS:

Four dogs and one cat suffered traumatic accidents resulting in neurological deficits underwent spinal MRI with intrathecal Gd-DTPA after routine plain films and MR images.

RESULTS:

T2-weighted SE images showed high water content in the epidural space or in the surroundings of the vertebrae in four animals. MR myelography revealed CSF leakage in all of them. In two animals CSF leaks were observed exuding from the spinal canal and tracking towards adjacent loose fat and interfascial planes. In two other animals Gd-DTPA extravasation was diffusely collected in paraspinal tissues around the vertebral arch. In the fifth animal a focal pseudomeningocele was observed adjacent to the traumatized region.

CONCLUSION:

Intrathecal administration of Gd-DTPA is an effective method to reveal and confirm post-traumatic spinal CSF fistulae or other dural lesions in animals with potential application in humans.

KEYWORDS:

Dural fistulae; animal studies; intrathecal Gd-DTPA; magnetic resonance imaging; spine; trauma

PMID:
23550181
DOI:
10.1258/ar.2012.120264
[PubMed - indexed for MEDLINE]
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