Perioperative characteristics, histologic diagnosis, complications, and outcomes of dogs undergoing percutaneous drainage, sclerotherapy or surgical management of intrarenal cystic lesions: 18 dogs (2004–2021)

Table 4 Outcomes of 7 dogs that underwent ureteronephrectomy

Dog number	Histologic diagnosis	Previous treatment	Clinical signs related to ICL at FU^a	Resolution of preprocedural clinical signs at last FU^a	ICL(s) in remaining kidney at last FU imaging^a	Azotemia pre-procedure	Azotemia on FU biochemistry^a	Additional treatment performed	Dead, alive, LTFU post procedure
1	Renal cyst	NP	NP	N/A	NP	No	NP	No	Euthanized due to nasal ADC (196 days post index treatment)
2	Papillomatous cystadenocarcinoma	NP	No (346 days)	Yes	No (120 days)	No	NP	No	LTFU (346 days post index treatment)
4	Papillary cystadenoma	NP	No (282 days)	Yes	NP	No	No (4 days)	No	Alive (282 days post index treatment)
6	Transitional cell carcinoma with cyst formation	PCD (29 days)	Yes, decreased appetite (1216 days)	Not available	Yes, 2 new cyst remaining static in size (1147 days)	No	Yes (1147 days)	No	Euthanized due to progressive renal dysfunction (1216 days; 1245 days post index treatment)
11	Renal cell carcinoma	NP	No (408 days)	Yes	No (106 days)	Yes	Yes but improved (106 days)	No	Alive (408 days post index treatment)
15	Renal cyst	NP	No (14 days)	Yes	No (361 days)	No	Yes (361 days)	No	Euthanized, multicentric lymphoma (1069 days post index treatment)
17	Renal cyst	NP	Yes decreased appetite (251 days)	Yes	Yes, static preoperatively diagnosed ICLs (102 days)	Yes	Yes but improved (102 days)	No	Died, unknown cause (251 days post index treatment)

Days presented in parenthesis are calculated from the date of the ureteronephrectomy
FU follow-up, LTFU lost to follow-up, N/A not applicable, NP not performed, ADC adenocarcinoma
^a Denotes date of last follow-up after ureteronephrectomy

ISSN: 1746-6148