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Objective: To establish a prostatic hyperplasia model with beagle dogs. Methods: Twenty-four male beagle dogs, 2 years of age, were divided into the treatment and control groups at random and were administrated testosterone propionate (TP) i.m. two months after castration. Three treatment groups were set with the doses of TP at 0.8 mg/kg, 2.5 mg/kg and 7.5 mg/kg, respectively, and the control was given the same volume of vehicle. Two months later, half of the animals were killed and sera samples were obtained. The wet weight and volume of prostate were measured. The dihydro testosterone (DHT) level of the serum and prostate were determined with the commercial radioimmunoassay (RIA) kit. The prostate was sectioned, fixed and stained with hematoxylin and eosin. Pictures were taken with a digital camera under the microscope and were analyzed with a computer for the epithelial cell height and the acinar luminal area with micro image analysis software. The prostate volume was measured with ultrasonic diagnost
Objective: To establish a prostatic hyperplasia model with beagle dogs. Methods: Twenty-four male beagle dogs, 2 years of age, were divided into the treatment and control groups at random and were administered testosterone propionate (TP) im two months after castration. Three treatment groups were set with the doses of TP at 0.8 mg / kg, 2.5 mg / kg and 7.5 mg / kg, respectively, and the control was given the same volume of vehicle. Two months later, half of the animals were killed and The dihydro weight and volume of prostate were measured. The dihydro testosterone (DHT) level of the serum and prostate were determined with the commercial radioimmunoassay (RIA) kit. The prostate was sectioned, fixed and stained with hematoxylin and eosin Pictures were taken with a digital camera under the microscope and were analyzed with a computer for the epithelial cell height and the acinar luminal area with micro image analysis software. The prostate volume was measured with ultrasonic diagnost