From: Validation of canine prostate volumetric measurements in computed tomography determined by the slice addition technique using the Amira program
Volume – length 6th lumbar vertebra
Ratio volume - age
intact
neutered
r = 0.63 p < 0.001
r = 0.48 p = 0.003
r = 0.52 p < 0.001
r = 0.14 p = 0.407