Peer-reviewed veterinary case report
Dog with inflammatory bladder tumor causing blood in urine and stones
By Park, Jiyoung et al.·Published in The Canadian veterinary journal = La revue veterinaire canadienne·2024·Department of Veterinary Surgery, South Korea·View original on PubMed →
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Original publication title: Inflammatory myofibroblastic tumor in the urinary bladder in a dog.
- Species:
- dog
Plain-English summary
An 8-year-old male Maltese was brought to the vet because he had a mass in his urinary bladder, along with blood in his urine and bladder stones. The vet found a growth on the bladder wall and surgically removed it. After testing the mass, it was identified as an inflammatory myofibroblastic tumor (IMT), which is not cancerous. Fortunately, the dog did not have any recurrence of the tumor during a follow-up period of over three years.
People also search for: dog urinary bladder mass · Maltese blood in urine · inflammatory myofibroblastic tumor in dogs · bladder stones in dogs treatment
Abstract
An 8-year-old castrated male Maltese dog was presented with a urinary bladder mass, urolithiasis, and hematuria. A solitary, pedunculated, intraluminal mass on the caudodorsal wall was identified with extensive irregular bladder wall thickening, and the mass was surgically removed. Postoperative histopathology demonstrated a submucosal lesion comprising spindle cells with marked inflammatory cell infiltration, without malignant changes. Immunohistochemical staining revealed vimentin and desmin positivity in the mass. An inflammatory myofibroblastic tumor (IMT) was definitively diagnosed. No recurrence was observed during a 43-month follow-up period. Although IMTs are rare in dogs, they should be considered a differential diagnosis for mass-like urinary bladder lesions accompanying a chronic inflammatory disease process. Key clinical message: Canine IMT should be included in the differential diagnoses of bladder masses, especially when dogs exhibit chronic irritation and inflammation.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/38952766/