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Representative B-Mode ultrasonography scans. (A) Left testis of a 11 year old mixed breed dog with a focal hyperechoic nodule (seminoma) characterized by homogenous echotexture and regular margin. (B) Mixed cell tumor (leydig and seminoma) recorded as two nodular lesions in the right testis of a 13 year old Epagneul Breton. The lesions had mixed patterns, inhomogeneous echotextures and irregular margins.
