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Peer-reviewed veterinary case report

Segmental atresia of the transverse colon in a foal with concurrent equine herpes virus-1 infection.

Journal:
The Cornell veterinarian
Year:
1987
Authors:
Anderson, W I et al.
Species:
horse

Plain-English summary

A newborn foal was found to have a serious condition called segmental atresia of the transverse colon, which means part of its large intestine was not properly formed and ended without an opening. During the examination after death, it was noted that parts of the large colon were stuck together and that the small colon was completely closed off at one end. Additionally, signs of an equine herpes virus-1 infection were found in the thymus, an organ involved in the immune system. Unfortunately, the foal did not survive due to these severe issues.

Abstract

Segmental atresia of the transverse colon was observed at necropsy in a neonatal foal. The dorsal and ventral components of the large colon were fused, and ended blindly. The small colon was collapsed and completely closed at its cranial end. The right and left dorsal and ventral colons were fused into one blind-ended tube. Histologically, eosinophilic intranuclear inclusion bodies demonstrative of Equine Rhinopneumonitis were present in the thymus.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/3032513/