Caval foramen hernia in a dog: Preoperative diagnosis and surgical treatment

A 13-year-old, 5.6-kg castrated-male Maltese was presented for reverse sneezing. A dome-shaped round mass abutting diaphragm was incidentally found ventral to caudal vena cava, which had the same echogenicity and density as that of the liver during ultrasonography and computed tomography, showing is...

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Bibliographic Details
Published in:Journal of Veterinary Medical Science 2020, Vol.82(11), pp.1602-1606
Main Authors: PARK, Jiyoung, LEE, Hae-Beom, JEONG, Seong Mok
Format: Article
Language:English
Subjects:
caval compression
caval foramen hernia
Compression
Computed tomography
Diaphragm
Differential diagnosis
dog
Hernia
Hernias
intrathoracic mass
Spleen
Splenectomy
Surgery
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Summary:A 13-year-old, 5.6-kg castrated-male Maltese was presented for reverse sneezing. A dome-shaped round mass abutting diaphragm was incidentally found ventral to caudal vena cava, which had the same echogenicity and density as that of the liver during ultrasonography and computed tomography, showing isoattenuation with a contrast study. Vascular distribution was identified throughout the mass. A caval foramen hernia (CFH) was diagnosed tentatively, followed by a herniorrhaphy and splenectomy of the chronically congested spleen. The patient had been doing well for 5-month postoperative but died because of aspiration pneumonia. CFH is an extremely rare condition, requiring surgery due to compression of the vena cava. It should be considered as a differential diagnosis when intrathoracic, mass-like lesions are identified near the diaphragm.
ISSN:0916-7250
1347-7439
DOI:10.1292/jvms.19-0575