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Feasibility and safety of endoscopic ultrasound-guided fine needle aspiration of the pancreas in dogs


Kook, Peter H; Baloi, P; Ruetten, Maja; Pantchev, N; Reusch, Claudia E; Kircher, Patrick (2012). Feasibility and safety of endoscopic ultrasound-guided fine needle aspiration of the pancreas in dogs. Journal of Veterinary Internal Medicine, 26(3):513-517.

Abstract

BACKGROUND: Endoscopic ultrasound (EUS)-guided fine needle aspiration (EUS-FNA) has proven a useful and safe diagnostic tool for assessing pancreatic disease in human medicine. No information about pancreatic EUS-FNA is available in dogs.
OBJECTIVES: To assess the feasibility and safety of pancreatic EUS-FNA in healthy dogs.
ANIMALS: Thirteen beagles with a median body weight of 13.4 kg.
METHODS: Experimental study. An ultrasound endoscope (insertion tube outer diameter 11.8 mm) was used, and FNA was carried out with 19 G needles. The optimal puncture site was chosen with the aid of Doppler imaging. Complete clinicopathologic assessments including pain scoring and pancreas-specific lipase measurements were obtained before EUS as well as on day 1 and day 2 after EUS-FNA.
RESULTS: The pancreatic body was identified in all dogs, the left lobe was clearly identified in 9/13 and appeared indistinctly marginated in 4/13 dogs, and the distal third of the right lobe could not be identified in 7/13 dogs. EUS-FNA was carried out in 12/13 dogs. Cellularity of smears was adequate for evaluation in 8/12 cases, in which samples were obtained transgastrically (n = 4) or transduodenally (n = 4). All dogs recovered uneventfully and no clinical and laboratory abnormalities occurred during the 48 hour monitoring period after the procedure.
CONCLUSION AND CLINICAL IMPORTANCE: Although the healthy canine pancreas is difficult to visualize in its entirety with EUS, pancreatic EUS-FNA with a 19 G needle is feasible in medium-sized dogs and can be considered a safe procedure. Its diagnostic usefulness should be evaluated in dogs with pancreatic disease.

BACKGROUND: Endoscopic ultrasound (EUS)-guided fine needle aspiration (EUS-FNA) has proven a useful and safe diagnostic tool for assessing pancreatic disease in human medicine. No information about pancreatic EUS-FNA is available in dogs.
OBJECTIVES: To assess the feasibility and safety of pancreatic EUS-FNA in healthy dogs.
ANIMALS: Thirteen beagles with a median body weight of 13.4 kg.
METHODS: Experimental study. An ultrasound endoscope (insertion tube outer diameter 11.8 mm) was used, and FNA was carried out with 19 G needles. The optimal puncture site was chosen with the aid of Doppler imaging. Complete clinicopathologic assessments including pain scoring and pancreas-specific lipase measurements were obtained before EUS as well as on day 1 and day 2 after EUS-FNA.
RESULTS: The pancreatic body was identified in all dogs, the left lobe was clearly identified in 9/13 and appeared indistinctly marginated in 4/13 dogs, and the distal third of the right lobe could not be identified in 7/13 dogs. EUS-FNA was carried out in 12/13 dogs. Cellularity of smears was adequate for evaluation in 8/12 cases, in which samples were obtained transgastrically (n = 4) or transduodenally (n = 4). All dogs recovered uneventfully and no clinical and laboratory abnormalities occurred during the 48 hour monitoring period after the procedure.
CONCLUSION AND CLINICAL IMPORTANCE: Although the healthy canine pancreas is difficult to visualize in its entirety with EUS, pancreatic EUS-FNA with a 19 G needle is feasible in medium-sized dogs and can be considered a safe procedure. Its diagnostic usefulness should be evaluated in dogs with pancreatic disease.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Institute of Veterinary Pathology
05 Vetsuisse Faculty > Veterinary Clinic > Department of Small Animals
Dewey Decimal Classification:570 Life sciences; biology
Language:English
Date:2012
Deposited On:04 Jun 2012 07:22
Last Modified:05 Jun 2016 06:26
Publisher:Wiley-Blackwell
ISSN:0891-6640
Publisher DOI:10.1111/j.1939-1676.2012.00898.x
PubMed ID:22404436
Permanent URL: http://doi.org/10.5167/uzh-62479

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