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Case Reports
. 2015 Nov;56(11):1149-52.

Computed tomography diagnosis of a thoracic and abdominal penetrating foreign body in a dog

Ryan Appleby  1 , Alex Zur Linden  1 , Ameet Singh  1 , Cyrielle Finck  1 , Evan Crawford  1
Affiliations
Case Reports

Computed tomography diagnosis of a thoracic and abdominal penetrating foreign body in a dog

Ryan Appleby et al. Can Vet J. 2015 Nov.

Abstract
in English, French

A 1.5-year-old, spayed female, mixed-breed dog was presented for hemoabdomen associated with an abdominal mass. Upon presentation bicavitary effusion was diagnosed. A penetrating intra-abdominal wooden foreign body was identified using computed tomography. This case describes a thoracic penetrating wooden foreign body causing bicavitary effusion following migration into the retroperitoneal space.

Diagnostic d’un corps étranger thoracique et abdominal pénétrant par tomodensitométrie chez un chien. Une chienne de race croisée stérilisée âgée de 1,5 ans a été présentée pour un hémoabdomen associé à une masse abdominale. Sur présentation, une effusion bicavitaire a été diagnostiquée. Un corps étranger en bois intra-abdominal pénétrant a été identifié par tomodensitométrie. Ce cas décrit un corps étranger en bois pénétrant dans le thorax et causant une effusion bicavitaire après la migration dans l’espace rétropéritonéal.(Traduit par Isabelle Vallières).

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Figures

Figure 1
Figure 1
Lateral abdominal radiograph with no evidence of pleural effusion (1), gas in the retroperitoneal space (2), and an ill-defined soft tissue opacity obscuring the renal silhouettes (3).
Figure 2
Figure 2
Transverse computed tomographic images of caudal cervical tissues (A), mid-thorax (B), cranial abdomen (C), midabdomen (D, E), caudal abdomen (F). Images are displayed in a soft tissue window (400 WW/40 WL), post-contrast administration. Free gas is present in the cervical soft tissues near the right axillary puncture site (1). Pleural effusion is noted with compression atelectasis of the left lung (2). Free air in the right costrophrenic space (3) and a soft tissue opaque mass with lack of contrast uptake (4) is observed. Free gas within the cortex of the right kidney and the associated mass (5) as well as a right kidney with no contrast uptake is observed (C,D,E,F). Mild abdominal effusion is noted (6). An angular, gas dense structure is associated with the mass (E7) and the same structure is observed penetrating the epaxial musculature (F7). The mass of necrotic hemorrhage is observed to compress the caudal vena cava (8).
Figure 3
Figure 3
Sagittal (A,B) and dorsal (C, D) reconstructions of a whole body CT acquired post contrast administration. There is a mild amount of free gas on either side of the diaphragm (1). The right kidney is observed with lack of contrast uptake (2) as well as the associated soft tissue mass (3) later identified as necrotic hemorrhage. Pleural effusion is seen (4) as well as a linear structure (5) that appears gas dense in a soft tissue window (C5) and measures ~280 HU differentiating it from air on a lung window (D5). Soft tissue windows (A,C) have a window width of 400 HU and a window level of 40 HU. Lung window has window width of 1400HU and level of −500 HU.
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References

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