This study was supported in part by the Center for Imaging Sciences, School of Veterinary Medicine, University of California, Davis, CA 95616.
NEEDLE-TRACT IMPLANTATION FOLLOWING US-GUIDED FINE-NEEDLE ASPIRATION BIOPSY OF TRANSITIONAL CELL CARCINOMA OF THE BLADDER, URETHRA, AND PROSTATE
Article first published online: 19 MAY 2005
Veterinary Radiology & Ultrasound
Volume 43, Issue 1, pages 50–53, January 2002
How to Cite
Nyland, T. G., Wallack, S. T. and Wisner, E. R. (2002), NEEDLE-TRACT IMPLANTATION FOLLOWING US-GUIDED FINE-NEEDLE ASPIRATION BIOPSY OF TRANSITIONAL CELL CARCINOMA OF THE BLADDER, URETHRA, AND PROSTATE. Veterinary Radiology & Ultrasound, 43: 50–53. doi: 10.1111/j.1740-8261.2002.tb00443.x
- Issue published online: 19 MAY 2005
- Article first published online: 19 MAY 2005
- Received April 5, 2001; accepted for publication May 30, 2001.
- transitional cell carcinoma;
- fine-needle aspiration biopsy
Localized tumor implantation of the ventral abdominal wall was found at 2, 5, and 8 months following percutaneous ultrasound-guided fine-needle aspiration biopsy (FNAB) of transitional carcinoma of the bladder, urethra, or prostate in 3 dogs. To our knowledge this complication has not been reported in dogs following FNAB. Despite the rarity of needle-tract implantation, the potential for this complication with transitional cell carcinomas is apparently not negligible and warrants consideration. We recommend traumatic urethral catheterization to obtain a cytologic diagnosis of potential transitional cell carcinomas of the lower urinary tract or prostate whenever possible until more information becomes available. However, needle-track implantation is so rare that it should not influence the decision to perform a percutaneous FNAB if the urethra cannot be catheterized.