Situs inversus totalis in a dog with splenic marginal zone lymphoma

초록

An 11-year-old intact male mixed-breed dog was referred for evaluation of a splenic mass. On radio-graphs, the cardiac apex, stomach, and head of the spleen were on the right and the descending colon was on the left of the midline. In addition, the left kidney was located more cranially than the right kidney. Standard two-dimensional echocardiographic images were obtained from each inverted left and right parasternal windows. Furthermore, the spleen was observed on the right side and a splenic mass was found on the splenic tail. Based on the radiographic and ultrasonographic characteristics of the pa-tient, a diagnosis of situs inversus totalis (SIT) and a splenic mass was made, and splenic resection was performed successfully with no unexpected complications. The splenic mass was confirmed histopatho-logically as being marginal zone lymphoma (MZL). This report describes a dog with SIT and splenic MZL.

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