Glossary of Terms
When it comes to your prostate health, knowledge is power. We at Dattoli Cancer Center understand that on your journey to acquire information about prostate cancer, related research, and various treatments, you will come across medical and scientific jargon that might need further explanation. Here we've provided a Glossary of Terms related to the topics of prostate health, prostate cancer, prostate cancer research and prostate cancer treatments and cures. You can search for a term numerically or alphabetically by selecting a character in the box below or simply scroll down through the list of terms and their corresponding definitions.
Oncogenes
Genes associated with tumor growth.
Oncology
The branch of medical science dealing with tumors. An oncologist is a specialist in the study of cancerous tumors.
Orchiectomy
A simple operation that involves surgical removal of the testicles, which produce most of the body’s testosterone.
Organ-confined Disease (OCD)
Prostate cancer that is confined to the prostate capsule, as indicated clinically or pathologically.
Osteoporosis
A decrease in bone mass and density causing fragility and porosity.
Overstaging
An assessment of an overly high clinical stage at initial diagnosis.







