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Copyright of Canadian Veterinary Journal / Revue Vétérinaire Canadienne is the property of Canadian Veterinary Medical Association and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Case Series Summary: Two adult cats were evaluated because of recurrent abscesses of the right lateral thoracoabdominal wall. The abscesses receded with antibiotics but relapsed shortly after therapy interruption. Ultrasonography identified fluid-filled lesions containing linear, hyperechoic material with distal acoustic shadowing in the sublumbar region of both cats. Ultrasound-guided retrieval of grass awns was performed in both cases, which resulted in complete clinical resolution., Relevance and Novel Information: While sublumbar abscesses in dogs are a relatively common disease, their occurrence in cats is much less common. To our knowledge, this is the first report describing the ultrasonographic features of sublumbar abscessation induced by foreign bodies and their ultrasound-guided retrieval in cats., Competing Interests: Conflict of interest: The authors declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article., (© The Author(s) 2019.)

This retrospective study investigated predisposing factors and ultrasound features in dogs ( n = 36) and cats ( n = 2) with emphysematous cystitis (EC). Urinary tract infection was present in 25 patients (65.8%), impaired immune system in 10 (26.3%), bladder stones in 9 (23.7%) and neurologic bladder in 7 (18.4%). Diabetes mellitus was present in only 4 patients (10.5%). Most patients had positive urine culture ( n = 35; 92.1%), with elevated concentration of Escherichia coli in 25 patients (71.4%). The most common ultrasound features were diffuse thickening of the urinary bladder ( n = 15; 39.5%), polyps ( n = 9; 23.7%), and focal thickening ( n = 4; 10.5%). In 13 patients (34.2%) the bladder wall was not assessable, due to excessive bladder gas. Bladder gas was mostly identified in the lumen ( n = 18; 47.4%), followed by the bladder wall ( n = 11; 28.9%), and wall and lumen ( n = 9; 23.7%).