Objective: Develop and evaluate a canine experimental model of penile sentinel lymph node (SLN) detection using a combination of patent blue dye (PB) and technetium99m phytate (99mTc). Methods: The experiment sampled healthy adult male mongrel dogs (N=19; 10-20 kg). After approval by the local ethics committee, we injected99mTc in the glans penis along the midline raphe. After 10 min, PB was injected in the sam...