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Case Reports
. 2011 Apr;52(4):419-22.

Chronic intestinal pseudo-obstruction in a horse: a case of myenteric ganglionitis

Sonia Chénier  1 , Susana M Macieira, Doris Sylvestre, Daniel Jean
Affiliations
Case Reports

Chronic intestinal pseudo-obstruction in a horse: a case of myenteric ganglionitis

Sonia Chénier et al. Can Vet J. 2011 Apr.

Abstract
in English, French

An 11-year-old Quarter horse mare was presented for recurrent episodes of colic. A chronic intestinal pseudo-obstruction was diagnosed. Medical treatment and surgical resection of the colon were performed but the condition did not improve and the horse was euthanized. Histopathological examination revealed a myenteric ganglionitis of the small intestine and ascending colon.

Pseudo-obstruction intestinale chronique chez une jument : un cas ganglionite myentérique. Une jument Quarter Horse âgée de 11 ans a été présentée pour coliques récurrentes. Une pseudo-obstruction intestinale chronique a été diagnostiquée. Le traitement médical et la résection chirurgicale du côlon n’ont amené aucune amélioration de la condition et l’animal a été euthanasié. L’examen histopathologique des tissus a révélé une ganglionite des plexus myentériques de l’intestin grêle et du colon ascendant.

(Traduit par les auteurs)

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Figures

Figure 1
Figure 1
Myenteric plexus in the colon. A small number of lymphocytes infiltrate the plexus. A mild vacuolation of axons is also seen. I — inner muscular layer. O — outer muscular layer. Hematoxylin-phloxin-eosin-saffron (HPES). Bar = 50 μm.
Figure 2
Figure 2
Submucosal plexus in the small intestine. Infiltration of the plexus by lymphocytes. HPES. Bar = 100 μm.
Figure 3
Figure 3
Muscular layer in the small intestine. There is vacuolation and degeneration of numerous myocytes in the outer muscular layer. Note the normal myenteric plexus (arrow) close to the lesion. S — serosa, O — outer muscular layer, I — inner muscular layer. HPES. Bar = 50 μm.
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