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Veterinary Radiology

Teaching and learning about veterinary diagnostic imaging.

  • Modality
    • Radiographs
    • Ultrasound
    • CT/MRI
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13 year old Chihuahua

July 5, 2018 By Allison Zwingenberger

This week’s case is a 13-year-old male neutered Chihuahua with recurrent urinary tract infections. It was found as a stray and castrated 4 years previously. What are your differential diagnoses?

L LAT Abdomen
R LAT Abdomen
VD Abdomen
R LAT Thorax
L LAT Thorax
DV Thorax
Show findings...

Findings

Abdomen: The liver is mildly enlarged and extends beyond the costal arch. The gastrointestinal tract and spleen are normal. The kidneys are normal in size and shape. There is a soft tissue opacity, oval mass with stippled mineralization cranial to the pelvic inlet. The bladder is partially visible cranial to the mass, indicating its origin is the prostate gland.

Thorax: The cardiovascular structures are normal. No abnormalities are seen in the pulmonary parenchyma. The pleura and mediastinum are also normal. T13 is a transitional vertebra, and there is spondylosis deformans at T12-13 with disc space collapse.

Show differential diagnosis…

Differential Diagnosis

  • Prostatomegaly with mineralization is likely due to neoplasia, less likely prostatitis
  • Part of the prostatic enlargement may be explained by late age at neutering
  • Hepatomegaly (metabolic, inflammatory, infiltrative, toxic)
  • No evidence of metastatic disease in the thorax
  • Narrowed disc space T12-13 may indicate disc herniation

Show diagnosis…

Diagnosis

Prostatic carcinoma with marked necrosis and suppurative, septic inflammation. No organisms were cultured.

Filed Under: Abdomen, Canine, Case of the Day, Radiographs, Thorax

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