Prostatic carcinoma

Case contributed by Allison L Zwingenberger
Diagnosis certain

Presentation

Presents with recurrent urinary tract infections. Found as a stray and castrated 4 years previously.

Patient Data

Age: 13 years
Gender: Castrated male
Category: Domestic dog
Organism: Chihuahua superbreed

Abdomen

x-ray

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.

Prostatomegaly with mineralization is likely due to neoplasia. Part of the prostatic enlargement may be explained by late age at neutering. Hepatomegaly (metabolic, inflammatory, infiltrative, toxic).

Case Discussion

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

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