Meningeal enhancement on magnetic resonance imaging in 15 dogs and 3 cats

Linda M. Mellema, Valerie F. Samii, Karen Vernau, Richard A Lecouteur

Research output: Contribution to journalArticle

55 Citations (Scopus)

Abstract

A retrospective study of 15 dogs and three cats was done to characterize the appearance of meningeal enhancement on magnetic resonance (MR) images of the brain, and to correlate this appearance with its underlying cause. Two patterns of meningeal enhancement (pial and dural) were identified. Enhancement of the pia mater was evident in four dogs and one cat, while enhancement of the dura mater was seen in 11 dogs and 2 cats. A variety of causes of meningeal enhancement were identified, including bacterial and cryptococcal meningitis, plasmacytic meningitis with associated subdural fluid accumulation, granulomatous meningoencephalomyelitis, inflammation secondary to otitis interna, feline infectious peritonitis, and neoplasia. The present study confirms that pial or dural meningeal enhancement may be present on MR images of the brain of dogs or cats in association with a variety of central nervous system diseases. A larger prospective study is required to further establish the incidence of specific patterns of meningeal enhancement seen in association with specific diseases.

Original languageEnglish (US)
Pages (from-to)10-15
Number of pages6
JournalVeterinary Radiology and Ultrasound
Volume43
Issue number1
DOIs
StatePublished - Jan 2002

Fingerprint

magnetic resonance imaging
Cats
Magnetic Resonance Imaging
Dogs
cats
dogs
meningitis
Feline Infectious Peritonitis
Magnetic Resonance Spectroscopy
Labyrinthitis
Pia Mater
Cryptococcal Meningitis
feline infectious peritonitis
brain
central nervous system diseases
Dura Mater
Bacterial Meningitides
meningoencephalitis
Central Nervous System Diseases
Brain

Keywords

  • Cat
  • Dog
  • Magnetic resonance imaging
  • Meningeal enhancement

ASJC Scopus subject areas

  • veterinary(all)

Cite this

Meningeal enhancement on magnetic resonance imaging in 15 dogs and 3 cats. / Mellema, Linda M.; Samii, Valerie F.; Vernau, Karen; Lecouteur, Richard A.

In: Veterinary Radiology and Ultrasound, Vol. 43, No. 1, 01.2002, p. 10-15.

Research output: Contribution to journalArticle

Mellema, Linda M. ; Samii, Valerie F. ; Vernau, Karen ; Lecouteur, Richard A. / Meningeal enhancement on magnetic resonance imaging in 15 dogs and 3 cats. In: Veterinary Radiology and Ultrasound. 2002 ; Vol. 43, No. 1. pp. 10-15.
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