Case Report: Imaging Features of Gallbladder Sessile Polyp Confirmed by Contrast-Enhanced Ultrasonography and Dynamic Computed Tomography in a Dog With Asymptomatic Chronic Cholecystitis

Case Report: Imaging Features of Gallbladder Sessile Polyp Confirmed by Contrast-Enhanced Ultrasonography and Dynamic Computed Tomography in a Dog With Asymptomatic Chronic Cholecystitis

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A 6-year-old dog was presented for health screening.It never suffered from any disease.Ultrasonography confirmed mass-like thickening with irregular margins protruding toward the gallbladder (GB) lumen.

On contrast-enhanced ultrasonography (CEUS) and dynamic computed tomography (CT), contrast enhancement of the corresponding structures was ointm confirmed in arterial phase.After cholecystectomy, cauliflower-like sessile polyps were identified.Histopathological examination Bedspread revealed chronic lymphoplasmacytic cholecystitis.

Bile culture revealed Escherichia coli growth.Our novel findings suggest that chronic cholecystitis should be considered as a differential diagnosis if contrast-enhanced sessile polyps of the GB are found on CEUS and dynamic CT.