Primary Ureteral Hemangiosarcoma in a dog
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CASE REPORT
Open Access
Primary Ureteral Hemangiosarcoma in a dog Joseph A. Polit1*, Elisabeth V. Moore1 and Ember Epperson1,2
Abstract Background: Primary ureteral neoplasia in dogs is extremely rare. To the best of the authors’ knowledge, this is the second documented case of a primary ureteral hemangiosarcoma. This case report describes the clinical and pathological findings of a primary distal ureteral hemangiosarcoma. Case presentation: A 12-year-old spayed female goldendoodle was presented with a history of polyuria and weight loss. Abdominal radiographs revealed a large cranial abdominal mass. Abdominal ultrasound and computed tomography (CT) identified a left sided distal ureteral mass with secondary hydroureter and a left lateral hepatic mass with no evidence of connection or diffuse metastasis. A left ureteronephrectomy, partial cystectomy, and left lateral liver lobectomy were performed. Histopathology was consistent with primary ureteral hemangiosarcoma and a hepatocellular carcinoma. Adjunctive therapy including chemotherapy was discussed but declined. Conclusion: Due to its rarity, the authors of this case presentation believe that ureteral hemangiosarcoma should be included as a differential diagnosis when evaluating a ureteral mass. With the unknown, and suspected poor prognosis, routine monitoring with adjunctive therapy should be considered. Keywords: Ureteral neoplasm, Ureteral hemangiosarcoma, Hydroureter, Dog
Background Primary ureteral neoplasia in dogs is extremely rare [1, 2]. This case report describes the clinical and pathological findings of a primary distal ureteral hemangiosarcoma. Previous malignant and benign cases of ureteral neoplasia have been reported, including transitional cell carcinoma, fibroepithelial polyps, leiomyoma, leiomyosarcoma, spindle cell sarcoma, and hemangiosarcoma [2–9]. To the best of the authors’ knowledge, this is the second documented case of a primary ureteral hemangiosarcoma [9]. Case presentation A 12-year-old, 23 kg, spayed female Golden Doodle; that was privately owned was presented for evaluation of a * Correspondence: [email protected] 1 Chesapeake Veterinary Surgical Specialist, 1209 Cromwell Bridge Rd, Towson, Maryland 21286, USA Full list of author information is available at the end of the article
large cranial abdominal mass as well as a firm caudal abdominal mass. Historical clinical signs included polyuria and progressive weight loss for 1–2 months. Biochemistry performed through the primary care veterinarian revealed an elevated alkaline phosphatase (ALP) of 2181 U/L (reference range: 20 to 150 U/L), and an elevated alanine aminotransferase (ALT) of 303 U/L (reference range: 10 to 118 U/L). Radiographs and ultrasound indicated there was a large cranial abdominal mass suspected to be associated with the liver and a second caudal abdominal mass with an unknown origin that appeared to be compressing the urinary bladder. On presentation, the dog was bright, alert, and responsive. Body condition score was 4/9. The patient was non-painful on ab
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