The preliminary results of 26 dogs were presented at the British Small Animal Veterinary Association Congress, Birmingham, UK in April 2008. The results of the complete study were presented at the European Association of Veterinary Diagnostic Imaging Annual Congress, Svolvær, Norway in August 2008.
ULTRASONOGRAPHIC APPEARANCE OF JEJUNAL LYMPH NODES IN DOGS WITHOUT CLINICAL SIGNS OF GASTROINTESTINAL DISEASE
Article first published online: 26 FEB 2009
© 2009 American College of Veterinary Radiology
Veterinary Radiology & Ultrasound
Volume 50, Issue 2, pages 195–200, March/April 2009
How to Cite
AGTHE, P., CAINE, A. R., POSCH, B. and HERRTAGE, M. E. (2009), ULTRASONOGRAPHIC APPEARANCE OF JEJUNAL LYMPH NODES IN DOGS WITHOUT CLINICAL SIGNS OF GASTROINTESTINAL DISEASE. Veterinary Radiology & Ultrasound, 50: 195–200. doi: 10.1111/j.1740-8261.2009.01516.x
- Issue published online: 26 FEB 2009
- Article first published online: 26 FEB 2009
- Received May 23, 2008; accepted for publication September 17, 2008.
- jejunal lymph nodes;
The jejunal lymph nodes of 57 dogs without clinical signs of gastrointestinal disease were examined to characterize their ultrasonographic appearance on B-mode and power Doppler examination, and to obtain ultrasonographic measurements. The lymph nodes were mildly hypoechoic to the mesentery in 71% of dogs and isoechoic in 29%. All dogs, 6 years of age or older had jejunal lymph nodes of uniform echogenicity. In dogs less than 6 years of age, nonuniform lymph nodes with different echopatterns were observed. Although most lymph nodes had no blood flow based on power Doppler examination, hilar blood flow was detected in 33% of dogs, which were generally less than 2 years of age. The median maximum thickness of the jejunal lymph nodes was 3.9 mm (range 1.6–8.2 mm), and their median maximum width 7.5 mm (range 2.6–14.7 mm). There was a significant correlation between larger lymph node diameter and younger age and higher body weight. We concluded that patient age should be considered when interpreting the echopattern and vascularity of jejunal lymph nodes in dogs, and that the jejunal lymph nodes of dogs without clinical signs of gastrointestinal disease may exceed the previously stated upper limit of 5–6 mm thickness.