Smooth Muscle Neoplasia of the Urinary Bladder Wall in Three Dogs

Heng, Hock Gan; Lowry, Jennifer E.; Boston, Sarah E.; Gabel, Carla; Ehrhart, Nicole; Gulden, Silvia M. Stocker

doi:10.1111/j.1740-8261.2005.00110.x

Cited by 40 publications

(44 citation statements)

References 24 publications

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“…Both types of tumor can invade adjacent tissue through the serosa. Lymphoma and transitional cell tumor more often have a heterogeneous echogenicity; urinary bladder smooth muscle neoplasia can be hypoechoic or heterogeneous 12,13 . On the basis of these patients, we believe that lymphoma cannot be easily differentiated from smooth muscle tumor.…”

Section: Discussionmentioning

confidence: 91%

Lymphoma Affecting the Urinary Bladder in Three Dogs and a Cat

Benigni

Lamb

Corzo-Menéndez³

et al. 2006

Vet Radiology Ultrasound

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Three dogs and one cat with lymphoma affecting the urinary bladder are reported and the findings on abdominal radiographs and ultrasound are described. Mural lesions representing lymphoma affecting the urinary bladder were identified ultrasonographically in all animals. The most common complications associated with urinary bladder lymphoma were hydronephrosis and hydroureter. In two patients contrast radiography was necessary to detect leakage of urine in the peritoneal and retroperitoneal space. The radiographic and ultrasonographic signs were similar to those reported with other urinary bladder neoplasms; hence urinary bladder lymphoma could not be distinguished from the more common urinary bladder neoplasms, such as transitional cell carcinoma. It is important to include lymphoma in the differential diagnosis of urinary bladder wall thickening and mural mass in dogs and cats.

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Section: Discussionmentioning

confidence: 91%

Lymphoma Affecting the Urinary Bladder in Three Dogs and a Cat

Benigni

Lamb

Corzo-Menéndez³

et al. 2006

Vet Radiology Ultrasound

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show abstract

“…

Canine Urinary Bladder Tumors Urinary bladder cancer accounts for approximately 2% of all reported malignancies in the dog. [4][5][6][7][8][9][10] TCC is most often located in the trigone region of the bladder. 2,3 The hospital prevalence or proportionate morbidity of bladder cancer at university-based veterinary hospitals is increasing.

…”

mentioning

confidence: 99%

“…2 Invasive transitional cell carcinoma (TCC) is the most common form of canine urinary bladder cancer. [4][5][6][7][8][9][10] TCC is most often located in the trigone region of the bladder. [2][3][4] Other types of bladder tumors reported less frequently include squamous cell carcinoma, adenocarcinoma, undifferentiated carcinoma, rhabdomyosarcoma, lymphoma, hemangiosarcoma, fibroma, and other mesenchymal tumors.…”

mentioning

confidence: 99%

Tumors of the Urinary System

Knapp¹,

McMillan²

2013

Withrow and MacEwen's Small Animal Clinical Oncology

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“…2,4,9,21 In this cat, abdominal changes were an over-distended urinary bladder, irregular cranial margins and thickening of the urinary bladder wall: these changes have already been described and are not diagnostic of a urinary bladder tumour but of urinary bladder disease. 10,14 …”

Section: Discussionmentioning

confidence: 73%

“…Non-epithelial tumours are represented by leiomyoma, leiomyosarcoma, fibroma, haemangioma, haemangiosarcoma and lymphoma. 1–12 A case of histiocytic sarcoma of the urinary bladder has been reported in a dog. 13 Nerve sheath tumour and lipoma of the urinary bladder have also been reported in the feline species; but, to date, fibrosarcomas have been described only in dogs.…”

Section: Introductionmentioning

confidence: 99%

Fibrosarcoma of the urinary bladder in a cat

Capasso¹,

Raiano²,

Sontuoso³

et al. 2015

Journal of Feline Medicine and Surgery Open Reports

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Case summaryA 5-year-old female spayed domestic shorthair cat was presented with haematuria, pollakiuria and stranguria of 2 months’ duration, and a firm non-painful mass in the urinary bladder was palpated. Abdominal radiographs showed thickening and irregular cranial margins of the urinary bladder wall. Abdominal ultrasound showed a vascularised mass of mixed echogenicity almost entirely occupying the urinary bladder lumen. During explorative laparotomy, the mass appeared pedunculated and was totally excised. Histopathology was characterised by infiltration of the mucosal, submucosal and muscular layers by proliferated atypical mesenchymal cells; immunochemistry confirmed the diagnosis of fibrosarcoma. The cat was discharged with normal urination 5 days after surgery. The owner declined any imaging follow-up but reported the cat to be free of any clinical signs at 16 months after surgery.Relevance and novel informationTo the best of our knowledge, this is the first case of primary fibrosarcoma of the urinary bladder in the cat. Fibrosarcoma should be included in the differential diagnosis of urinary bladder neoplasia.

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Smooth Muscle Neoplasia of the Urinary Bladder Wall in Three Dogs

Cited by 40 publications

References 24 publications

Lymphoma Affecting the Urinary Bladder in Three Dogs and a Cat

Lymphoma Affecting the Urinary Bladder in Three Dogs and a Cat

Tumors of the Urinary System

Fibrosarcoma of the urinary bladder in a cat

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