Computer Tomography (CT)
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Computer Tomography (CT) Scan Case Study #7
博美犬 Pomeranian
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Pomeranian, male, 10 years old
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Clinical History:
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Fast growing mass noticed around anus lately. Need to check for metastases in the body cavities.
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Findings:
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There is mild accumulation of mineralized biliary sludge in the gallbladder. The liver has several small non-enhancing rounded structures measuring 2 to 3mm in diameter, potentially representing small cysts.
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There are few uroliths in both renal pelvises as well as in the bladder.
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The prostate is moderately and symmetrically enlarged, and comprises a small mineralized focus in the dorsal caudal left portion at distance from the urethra. The prostatic enhancement is markedly heterogeneous leaving multiple cystic areas.
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There is a small well defined enhancing nodule in the right testis, measuring approximately 4.6mm. Both anal glands are visible and filled with fluid-like material. Mostly caudal to these glands, with circumferential infiltration of the anus and the surrounding skin including the ventral aspect of the tail, there is an infiltrative mass with marked enhancement. There is a subcutaneous expansion of this mass on the right with lesser enhancement, possibly representing an area of necrosis. It is therefore unclear whether the mass actually originates from the anal gland or rather from the anus or skin.
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Conclusion:
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Perineal infiltrative mass, most consistent with a neoplastic process originating from the anal cutaneomucous junction, the perineal skin or the perianal glands. In all cases (adeno) carcinoma is most likely. A biopsy is suggested to confirm. No definite evidence of regional or distant metastasis.
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Nonobstructive urolithiasis in both kidneys and the bladder.
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Suspicion of few small hepatic benign cystic nodules, although metastasis cannot be entirely ruled out.
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Likely benign cystic hypertrophy of the prostate.
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Right testis nodule. This may represent a benign or malignant neoplastic process, potentially in part explaining appearance of the prostate.
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*** The above case is for reference only. If you have any questions concerning your pet's condition, please discuss with your veterinarian. ***
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Urolithiasis in both kidneys and the bladder.
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An example of hepatic cystic nodule.
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Cystic prostatic enlargement.
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Perineal mass (transverse, sagittal and dorsal images).
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Right testis nodule.
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