Case Study

03_00538 Casey K Liver mass

An 11-year-old SF mixed breed dog was presented for evaluation of unresponsive UTI with abdominal radiographs showing possible unilateral renomegaly.

Sonographic Differential Diagnosis

Left sided liver mass.
Echogenic renal cyst, potential underlying neoplasia. Pyelectasia in the right kidney, consistent with concurrent pyelonephritis.
Right nephrectomy is recommended along with left liver lobectomy. Pericapsular inflammatory pattern was also noted around the cystic portion of the right kidney. This is suggestive for infection or potential emerging neoplasia.

Image Interpretation

The liver presented a mixed, echogenic and cystic mass that was deriving from the mid left liver. This is strongly consistent with hepatic carcinoma and appears resectable with left lobectomy. The mass measured 4.9 x 4.5 cm.
The left kidney was uniform with no evident pathology and measured 5.93 cm. The right kidney in this patient presented large, echogenic cysts that measured approximately 8.26 cm and was deriving from the renal cortex. Pyelectasia of the right kidney was also noted and measured 0.41 cm. The right kidney itself measured 5.57 cm. The kidney along with the cyst measured 10.62 x 8.75 cm.