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Case Reports
. 2011 Dec;52(12):1339-41.

Mycotic encephalitis, sinus osteomyelitis, and guttural pouch mycosis in a 3-year-old Arabian colt

Barbara Hunter  1 , Patrick N Nation
Affiliations
Case Reports

Mycotic encephalitis, sinus osteomyelitis, and guttural pouch mycosis in a 3-year-old Arabian colt

Barbara Hunter et al. Can Vet J. 2011 Dec.

Abstract
in English, French

Mycotic encephalitis caused severe ataxia and other neurologic deficits in a horse. The finding of a single, large focus of cerebral malacia, with histopathologic evidence of fungal elements, suggested infection was a result of direct transfer from the frontal sinuses, rather than hematogenous spread from the guttural pouch.

Encéphalite mycotique, ostéomyélite des sinus et mycose de la poche gutturale chez un poulain arabe âgé de 3 ans. Une encéphalite mycotique a causé une ataxie grave et d’autres déficits neurologiques chez un cheval. La découverte d’un grand foyer unique de malacie cérébrale avec une preuve histopathologique d’éléments fongiques a suggéré que l’infection était un transfert direct des sinus frontaux, plutôt qu’une propagation hématogène provenant de la poche gutturale.

(Traduit par Isabelle Vallières)

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Figures

Figure 1
Figure 1
Mycotic osteomyelitis of the right frontal bone (arrow) with a blood-covered downward growth of proliferating fibrous tissue. Note proximity of the reaction to the cribriform plate. This is the probable route of infection of the brain.
Figure 2
Figure 2
Mucosa of the right guttural pouch over the stylohyoid bone showing necrotic and inflammatory debris, blood, and fungal colonies (white) on the surface. Note the remarkable thickening of the normally thin mucosa over the bone.
Figure 3
Figure 3
Material overlying the right stylohyoid bone. The mucosa has been lost and a mass of fibrin, tangled fungal mycelia and clusters of neutrophils are evident. Hematoxylin & eosin, 200×, bar =100 μm.
See this image and copyright information in PMC

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