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J Am Anim Hosp Assoc. 2009 Nov-Dec;45(6):301-4.

Unilateral hydronephrosis and partial ureteral obstruction by entrapment in a granuloma in a spayed dog.

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Aikawa Veterinary Medical Center, Nishi-ochiai 4-3-1 shinjuku-ku, Tokyo, 161-0031 Japan.


A 6-year-old, spayed female dog had hydronephrosis and incomplete ureteral occlusion on the left side. An end-to-side ureteral anastomosis was performed. The incomplete ureteral occlusion was determined to be related to an ovarian pedicle granuloma formation and was presumably related to a reaction to the suture material used for ovariohysterectomy (OVH) performed 5 years prior to presentation. Azotemia and hydronephrosis were dramatically improved after surgery, and renal function has been well maintained for 3 years. To the authors' knowledge, a chronic partial ureteral occlusion associated with an ovarian pedicle granuloma from an OVH has not been reported.

[Indexed for MEDLINE]

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