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Vet Surg. 2017 Feb;46(2):226-232. doi: 10.1111/vsu.12598. Epub 2016 Dec 19.

Laparoscopic kidney biopsy in dogs: Comparison of cup forceps and core needle biopsy.

Author information

1
College of Veterinary Medicine, Chungnam National University, Daejeon, Republic of Korea.

Abstract

OBJECTIVE:

To investigate the feasibility of laparoscopic kidney biopsy with cup biopsy forceps in dogs (CupBF), and to compare to the use of a core biopsy needle (CoreBN).

STUDY DESIGN:

Experimental; randomized, controlled design.

ANIMALS:

Eight healthy, adult Beagle dogs.

METHODS:

Dogs were randomized to undergo laparoscopic biopsy of the right kidney using either 5 mm CupBF or a 16 gauge CoreBN. Intraoperative hemorrhage of the biopsy site was monitored. Biopsy quality was evaluated for tissue fragmentation and crushing, presence of renal cortex with or without medulla, and number of glomeruli. Postoperative packed cell volume, urinalysis, and ultrasonographic appearance of the biopsy site were evaluated.

RESULTS:

Biopsy specimens were obtained by both techniques and reliable hemostasis was achieved with direct compression in all dogs. The histologic score for CupBF biopsies was not significantly different from CoreBN biopsies. One CoreBN biopsy contained both renal cortex and medullar, while all CupBF biopsies contained cortex only. The mean (SD) number of glomeruli was significantly higher in CupBF biopsies [60 (9.1)] than CoreBN biopsies [26 (4.3)]. There was no gross hematuria, perirenal hematoma, or hydronephrosis in any dog postoperative.

CONCLUSION:

Laparoscopic kidney biopsy in dogs using 5 mm cup biopsy forceps is feasible with minimal risk and more glomeruli obtained compared to laparoscopic kidney biopsy using 16 gauge core biopsy needles.

PMID:
27990651
DOI:
10.1111/vsu.12598
[Indexed for MEDLINE]

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