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Prostate cancer: symptoms, PSA and treatment choices

Prostate cancer education illustration

Early prostate cancer often causes little discomfort. Frequency, nocturia or a weaker stream can also come from benign enlargement or inflammation.

Whether further tests are needed depends on age, family history, digital rectal examination and PSA. One number or an online checklist cannot confirm the diagnosis.

Key points: Risk usually rises with age, and early disease may have no symptoms. Evaluation often includes a rectal exam, PSA, ultrasound and, when needed, a biopsy. Staging may add MRI, CT or a bone scan. Monitoring, surgery, radiation and hormone therapy are different options and need a urologist’s assessment.


What factors may be related to prostate cancer?

The prostate sits below the bladder and surrounds the urethra. It produces fluid that becomes part of semen. Size varies, so urinary changes alone cannot show whether a tumor is present.

No single cause explains prostate cancer. Risk usually increases with age, and some people have a family history. Ethnicity, diet and environment have been studied, including higher animal-fat intake in some groups, but diet is not the same as a proven cause for an individual.


Does early prostate cancer cause symptoms?

Prostate cancer education illustration 2

A tumor still inside the prostate often causes no particular feeling. Frequency, urgency, nocturia or a thin stream may instead be prostatitis. Read more about prostatitis.

If the tumor affects the seminal vesicles, some people notice blood in semen or pain with ejaculation. Local spread can be associated with leg swelling. Bone involvement may cause bone pain, and less often a fracture or nerve symptoms from spinal pressure.

These symptoms are not specific to prostate cancer. Sudden inability to pass urine, visible blood in urine, unexplained bone pain or leg swelling should be assessed promptly.


Which tests are used?

A digital rectal exam lets the physician feel whether the prostate surface has a firm nodule. It does not replace blood tests or imaging.

PSA is a blood marker, not a diagnosis. A value around 4 ng/mL is often used as a reference, but inflammation, a catheter, cystoscopy or a recent rectal exam can raise it. Some 5-alpha reductase inhibitors can lower it, so current medicines should be mentioned. Age-specific ranges, density, rate of rise and free-to-total ratio sometimes help decide on a biopsy.

Transrectal ultrasound can show size and texture. It cannot by itself prove a cancer. When tissue is needed, small samples are usually taken from several sites under ultrasound guidance.

What does the pathology grade describe?

Reports often use the Gleason score, adding the two main microscopic patterns. A higher score usually means a more aggressive pattern, but outlook also depends on PSA, stage and overall health.


How are stage and risk groups used?

TNM describes the tumor extent, lymph nodes and distant spread. In plain terms, disease may still be inside the prostate, may involve nearby tissue such as the seminal vesicles, or may have reached lymph nodes, bone or other organs.

Some early tumors are found only when tissue removed for benign enlargement is examined. TNM can underestimate the extent, so the original PSA and Gleason score are considered together. Guidelines group these findings into risk categories. The group is a guide, not a personal treatment order.


How do treatment approaches compare?

Prostate cancer education illustration 5

Many prostate cancers progress slowly. People with limited health or other serious illnesses may use watchful waiting: treat symptoms later, often with hormone therapy or radiation for relief, rather than aiming to remove the tumor.

Active surveillance means regular blood tests and, when needed, repeat biopsy or imaging. Treatment is reconsidered if PSA rises or the pathology looks more aggressive. It can fit some lower-risk situations and is not suitable for everyone.

If the tumor is confined, life expectancy is longer and there is no clear surgical barrier, radical prostatectomy may be discussed, including open, laparoscopic or robot-assisted surgery. Possible problems include bleeding, injury to nearby structures, urinary leakage, changes in erections, narrowing at the join, infection or lymph leakage.

External radiation usually does not need anesthesia or a hospital stay. The number of sessions depends on the technique. Radiation is also sometimes discussed after surgery, or to ease pain from bone or pelvic pressure. Some people have rectal or bladder irritation. Lasting inflammation, bleeding or narrowing can occur, and rates differ by technique and person.

Hormone therapy, including androgen-blocking medicine or removal of both testes, lowers androgen stimulation. PSA often falls, but the treatment does not clear every cancer cell. It is more often used when other active treatments are not suitable or when cancer has spread. Possible effects include hot flashes, lower sexual desire, weaker erections, bone loss, fatigue, weight change, liver or breast symptoms, and cardiovascular risk.

Chemotherapy is mainly discussed after hormone therapy stops controlling the disease. HIFU and cryotherapy are local options for selected situations, not for every stage.

ApproachOften discussed forLimits to understand
Watchful waitingWeaker health or other serious illnessNot aimed at clearing the tumor
Active surveillanceSome lower-risk cases that can attend follow-upNeeds repeat checks; treatment may start later
ProstatectomyConfined disease in someone fit for surgeryLeakage, erection changes and surgical risks are possible
RadiationPeople avoiding surgery, or for added or symptom careRectal, bladder or urethral irritation is possible
Hormone therapySpread disease or when other active treatment is unsuitableDoes not clear every cancer cell; whole-body effects occur

How is follow-up arranged?

Prostate cancer education illustration 6
Monitoring, surgery, radiation and medicine usually include planned PSA checks. A rising value does not by itself prove recurrence, and it should not be managed with unverified remedies. Urinary leakage is discussed on the incontinence page.

New bone pain, blood in urine, difficulty passing urine, fever or leg swelling should be reviewed earlier than the next routine visit. Recovery of control and sexual function differs between people.

Does a PSA above the reference range mean cancer?

No. Inflammation, recent procedures and benign enlargement can raise PSA, and some medicines lower it. A biopsy decision combines age, examination and the pattern of results.

Should everyone without symptoms be tested?

Early cancer often has no symptoms, but testing is not a fixed requirement for every person. Age, family history and urinary symptoms guide the discussion.

Does a negative biopsy rule cancer out?

Biopsy is an important way to confirm cancer, but the needle can miss a tumor. A rising PSA or a changing exam may lead to further review.

Does prostate cancer always need surgery?

No. Some lower-risk cases are monitored. Others are more suitable for radiation, hormone therapy or supportive care. Surgery has risks and recovery needs.

When should someone seek care quickly?

Sudden inability to urinate, visible blood in urine, unexplained bone pain, leg swelling, or fever with flank pain should be assessed promptly. These signs are not specific to prostate cancer.

Suggestions from the urologist

  • Urinary frequency or a weak stream can come from benign enlargement or inflammation, not only from cancer.
  • PSA is a reference. High or low values need age, medicines, inflammation and timing before any next test.
  • Monitoring, surgery, radiation and hormone therapy each have limits and possible side effects.
  • Blood in urine, bone pain, leg swelling or sudden retention should be assessed in person rather than interpreted from a report alone.

The useful step is to understand stage, risk and general health before choosing follow-up or treatment. Course and side effects differ. A urologist should make that assessment in person.

DOCTOR

About the Doctor

Consultation, treatment planning and follow-up are personally provided by the same attending physician.

Dr. Cheng-Hsing Hsieh

Dr. Cheng-Hsing Hsieh

Clinic Director · Attending Urologist
  • M.D., National Taiwan University School of Medicine
  • Former Director of Surgery and Chief of Urology, Taipei Tzu Chi Hospital
  • Certified STI specialist, Taiwan Urological Association
  • Certified Assistant Professor, Ministry of Education, Taiwan

Focused on microsurgical minimally invasive procedures and men’s urologic care, combining medical-center-grade equipment with meticulous local anesthesia for private, same-day treatment.

Need help with a urology or men’s health concern?

Consult directly with Dr. Cheng-Hsing Hsieh. Online booking is not available for same-day visits.