Case Index - - December 2005 - Case of the Month.
Scroll down to the bottom for the final answer.
Signalment: 11 y.o. lab-mix mn dog
History: straining to urinate, progressive for 4 days, now constantly. Large bladder on palpation
Long axis image caudal to bladder neck in region of prostate
Questions:
i. Differentials for lesion?
ii. Other imaging tests indicated?
Answer:
Dystrophic mineralization and enlarged prostate: carcinoma
DDX: TCC or AdCA, atypical prostatitis
Testing: US of sublumbar region for adenopathy (see image below)
Enlarged bilateral medial iliac LN’s with atypical subcapsular vessels deviated hilus and asymmetrical vascular branching: DDX malignant adenopathy consistent with metastatic prostatic carcinoma
Consider fna of LN’s or prostate.