Benign splenic hyperplasia diagnosed on FNA in a 13 year old FS German Shepherd Dog

History

A 13-year-old SF German Shepherd mix was presented for evaluation of inappropriate urination. Urinalysis showed an inappropriate specific gravity (1.013)

A 13-year-old SF German Shepherd mix was presented for evaluation of inappropriate urination. Urinalysis showed an inappropriate specific gravity (1.013)

Comments

Given that minor capsular expansion is present and loss of parenchymal detail is present in a predisposed breed, a recheck ultrasound in 1 week is essential to ensure no growth. Given the sonographic appearance, splenectomy would not be a wrong choice regardless of the cytology results.

Clinical Differential Diagnosis

Inappropriate urination – bladder disease (neoplasia, uroliths, bacterial cystitis), urethral disease (urethral sphincter incompetence, hormonal/bacterial infection), renal disease (chronic kidney disease).

DX

Benign hyperplasia of the spleen

Sampling

FNA of the spleen revealed benign hyperplasia.

Sonographic Differential Diagnosis

Benign splenic nodule, potential abscessation or emerging neoplasia. Fine-needle aspirate or splenectomy is highly encouraged. Even though no overt evidence of metastatic disease was noted, liver biopsies would be warranted as well to ensure that multi-centric neoplastic process is not emerging.

Image Interpretation

The spleen presented a solitary, mixed, hypoechoic nodule that measured 1.8 cm. The nodule appeared to expand upon the capsule, which is suggestive for a relatively aggressive process. These images are consistent with abscessation or emerging neoplasia.

UA Specific Gravity Range

1.013

Video

Patient Information

Patient Name : Bianca W
Age : 13 Years
Gender : Female, Spayed
Species : Canine
Book : yes
Liz Wuz Here : Yes
Status : Complete
Code : 08_00054

Clinical Signs

  • Inappropriate Urination

Urinalysi

  • Specific Gravity Low

Images

A_03172012011416B_03172012011436

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