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Vet Pathol 42:840-844 (2005)
© 2005 American College of Veterinary Pathologists
BRIEF COMMUNICATIONS AND CASE REPORTS

Bacterial Meningoencephalitis and Ventriculitis Due to Migrating Plant Foreign Bodies in Three Dogs

M. M. Dennis, L. K. Pearce, R. W. Norrdin and E. J. Ehrhart

Abstract

Regional suppurative meningoencephalitis and ventriculitis of variable chronicity was diagnosed in three young dogs residing in Colorado. Grass awns were grossly identified in the right occipital cortex of one dog and in the right lateral ventricle of another. Intralesional plant material was microscopically evident in the dura mater overlying the right occipital cortex of the third dog. One grass awn was identified as a floret of Hordeum jabatum. In each case, aerobic culture of brain tissue identified multiple isolates of bacteria. The dogs presented with clinically variable, rapidly progressive neurologic dysfunction, including tetraplegia, depressed mentation, and episodic extensor rigidity, ataxia, circling, stupor, vocalization, and head-pressing. Encephalitis due to bacteria introduced from migrating plant foreign material is a potential sequela of intranasal, periocular, or pharyngeal foreign bodies.

Key words: Abscess; bacteria; brain; dogs; encephalitis; foreign body; grass awn; plant.

Request reprints from Dr. M. M. Dennis, 308 Pathology Bldg., 1619 Campus Delivery, Colorado State University, Fort Collins, CO 80523 (USA). E-mail: Michelle.Dennis{at}colostate.edu




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J. C. Jones and C. P. Ober
Computed Tomographic Diagnosis of Nongastrointestinal Foreign Bodies in Dogs
J. Am. Anim. Hosp. Assoc., March 1, 2007; 43(2): 99 - 111.
[Abstract] [Full Text] [PDF]


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