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Man’s PSA level skyrockets

Dr. Keith Roach

To Your Good Health

Dear Dr. Roach: I am a healthy 89-year-old United States Army veteran. In August 2017, I was diagnosed with advanced prostate cancer and was treated with Lupron and radiation. These treatments have given me new life with my PSA level initially being undetectable, but my PSA slowly rose in 2023 and 2024. Then on April 28, it elevated to 29.3 ng/mL, at which time my oncologist prescribed an antibiotic. But my PSA became even higher — up to 34.8 ng/mL.

Currently, I feel physically fine with no sign of discomfort and pain, and there are no significant issues with my overall health or urination. I have to urinate three times a night normally, then recently up to six times a night back in April. But after the antibiotic, it went back to three times per night. My other daily body functions and activities have seemed to be quite normal.

These elevated numbers and the sudden rise from early 2024, followed by a huge leap in April 2025 to my current state, are very troubling and of great concern! Again, physically I feel fine, and my daily functioning body has not triggered any alarm. Dr. Roach, I need your expert prognosis and opinion. — S.O.

Answer: Thank you for your service. I am sorry, but it is very likely that the cancer has come back somewhere in your body. However, this is not 100% certain. Your oncologist considered one other possibility — a prostate infection, which is another cause for a high PSA level. But the steady rise and current level being over 30 ng/mL make recurrence likely. This is sometimes called a “biochemical recurrence” as you have no other signs or symptoms of prostate cancer.

At this time, I suspect your doctor will order some radiology tests, possibly a bone scan to look for the distant spread of cancer, and a CT scan of the pelvis to see whether there is any local disease. Once they know for sure whether the cancer is back, they can give you options for treatment.

For disease in the original area, a high-intensity focused ultrasound is an option to reduce the amount of tumors. Additional medications, such as enzalutamide (Xtandi), are sometimes used along with Lupron for men in your situation.

It may be that since you are feeling well, your oncologist will not rush to treatment. This is a situation in which many factors needed to be considered.

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