A male German Shepherd canine patient,three years old comes in for consultation. The patient was examined with a clinical exploratory plan, a mass effect was found in the mesogastrium and hypogastrium without any pain or discomfort when touching, after the ultrasound exam it was discovered that it was the enlarged prostate with a volume of 249.6cc, displacement into craneal with big cysts 2.07cm y 0.86 cm, being these the most relevant, moreover the patient presented occlusion in the urethra and reactive lymph nodes, in the prostatic fluid cytology a benign epithelial proliferation was obtained with cysts components, thus, Complete blood count shows Thrombocytopenia for kidnapping, prerenal azotemia and acute k...