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Case Reports
. 2011 Oct;52(10):1119-22.

Pneumomediastinum and subcutaneous emphysema in a cat associated with necrotizing bronchopneumonia caused by feline herpesvirus-1

Sofie Maes  1 , Bart Van Goethem, Jimmy Saunders, Dominique Binst, Koen Chiers, Richard Ducatelle
Affiliations
Case Reports

Pneumomediastinum and subcutaneous emphysema in a cat associated with necrotizing bronchopneumonia caused by feline herpesvirus-1

Sofie Maes et al. Can Vet J. 2011 Oct.

Abstract
in English, French

This report describes a 1-year-old cat with acute dyspnea. Thoracic radiography revealed a pneumomediastinum and severe subcutaneous emphysema. Lower airway surgical exploration was unable to determine the cause. At postmortem examination, acute necrotizing bronchopneumonia and fibrinonecrotic tracheitis due to feline herpesvirus-1 were diagnosed.

Pneumomédiastin et emphysème sous-cutané chez un chat associés à une bronchopneumonie nécrosante causée par le virus de la rhinotrachéite féline. Ce rapport décrit un chat âgé de 1 an atteint de dyspnée aiguë. Une radiographie thoracique a révélé un pneumomédiastin et un emphysème sous-cutané aigu. Une exploration chirurgicale des voies respiratoires inférieures n’a pas pu déterminer la cause. À l’autopsie, une bronchopneumonie nécrosante aiguë et une trachéite fibrinonécrosante causées par le virus de la rhinotrachéite féline ont été diagnostiquées.

(Traduit par Isabelle Vallières)

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Figures

Figure 1
Figure 1
(a) Right-left lateral radiograph of the thorax. Gas is visible in the subcutaneous tissue around the thorax and dissecting the fascial planes of the neck (SC). The esophagus is filled with gas over its entire length (arrowheads). The walls of the trachea are visible (arrows). The stomach (S) is moderately distended by gas. (b) Ventro-dorsal radiograph of the thorax. A large amount of gas is present in the subcutaneous tissues surrounding the thorax and in the fascial planes of the neck (SC). The wall of a dilated esophagus is visible (arrowheads).
Figure 2
Figure 2
Cat lung. (a) Necrotic bronchiolus (arrowheads) filled with degenerate neutrophils, fibrin, and necrotic material. Hematoxylin & eosin stain. Original magnification, 200×. (b) FHV-1 antigen expressed within sequestered bronchial epithelial cells and alveolar macrophages (arrows). Centrally in this figure, a bronchiolus is present (lined by arrowheads), which is surrounded by alveolar spaces. Immunohistochemistry, anti-FHV-1 antibody, Envision + system-HRP kit mouse; chromogen: DAB; counterstain: Mayer’s hematoxylin. Original magnification, 200×.
See this image and copyright information in PMC

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