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06-00090 Jasmine S Bladder mass involving trigone and proximal urethra–NEED DX, C—NO IMAGES—

Case Study

06-00090 Jasmine S Bladder mass involving trigone and proximal urethra–NEED DX, C—NO IMAGES—

An 11-year-old SF DSH cat was presented for stranguria that had been present for the past 3 months. On urinalysis, inappropriate SG (1.024), hematuria, and leukouria was resistant Pseudomonas on culture. Azotemia was evident on laboratory testing.

An 11-year-old SF DSH cat was presented for stranguria that had been present for the past 3 months. On urinalysis, inappropriate SG (1.024), hematuria, and leukouria was resistant Pseudomonas on culture. Azotemia was evident on laboratory testing.

Sonographic Differential Diagnosis

Caudal bladder mass involving the trigone, pelvic urethra and ventral bladder. Non resectable, likely invasion of the ureters. Minor hydronephrosis in both kidneys. Poor prognosis. Minor free fluid noted in the region of the bladder owing to transmural inflammatory pattern and possible minor rent. Recommend referral for chemotherapeutic options in this patient. Fine-needle aspirates can be considered in the hopes that this is a bladder lymphoma that may respond to chemotherapy. However, this is most likely transitional cell carcinoma with a poor prognosis. Broad spectrum antibiotics and cortisones can be utilized from a quality of life standpoint. However, it is debatable whether it will have any utility.

Image Interpretation

The bladder in this patient presented concentric wall thickening, but does not meet neoplastic criteria. It involves the ventral and dorsal caudal bladder infiltrating into the urethra and obstructing the trigone. Peri bladder reactivity with lymphadenopathy was also noted and a minor amount of free fluid, which is likely inflammatory in nature with the potential of minor perforation. This is highly suggestive for transitional cell carcinoma or bladder lymphoma with the minimal possibility of lesions owing to chronic cystitis. The bladder mass measured 4.0 x 2.5 cm. Caudal to the mass dilation of one of the ureters appeared prominent at 0.78 cm with likely infiltrative neoplasia within the ureter itself.

Comments

for E: does not meet neoplastic criteria. VS This is highly suggestive for transitional cell carcinoma or bladder lymphoma. IMAGES MAY CLEAR THIS UP

Clinical Differential Diagnosis

Bladder – chronic bacterial cystitis, interstitial cystitis with secondary bacterial infection, uroliths, neoplasia Kidneys – pyelonephritis, renoliths, neoplasia

Sampling

Repeat lab work revealed urea nitrogen 113 mg/dL, creatinine 6.6 mg/dL and CBC revealed Neutrophils increased at 9546 and lymphocytes low at 888. No further outcome was given.

UA Specific Gravity Range

1.0240

Patient Information

Type of Imaging : Ultrasound