Prostate Cancer Symptoms, PSA Test & Diagnosis | IDCC

When symptoms do occur, they can look like common prostate enlargement (BPH) or urinary infection—so it’s important to understand which symptoms are concerning, who is at higher risk, and what tests actually confirm the diagnosis.

This guide explains:

• Early symptoms and why they’re often absent

• Urinary warning signs (and what is more likely benign)

• PSA test meaning and common causes of high PSA

• How doctors confirm diagnosis (MRI + biopsy)

• When to seek urgent care

• What to do next

1) What is the prostate, and what does it do?

The prostate is a small gland below the bladder that contributes to semen. It surrounds the urethra (urine channel). As men age, the prostate commonly enlarges (BPH), causing urinary symptoms—this is very common and usually not cancer.

Prostate cancer begins when abnormal cells grow in the prostate. Many prostate cancers grow slowly, but some can be aggressive—hence the need for proper assessment.

2) Early prostate cancer: often no symptoms

In early stages, prostate cancer may be entirely silent. Many men feel normal and are diagnosed after:

• Routine PSA testing

• Evaluation for urinary symptoms (often due to BPH)

• Health check-up imaging or exam

This is why relying on “symptoms” alone can delay diagnosis.

3) Symptoms that may occur (and how to interpret them)

A) Urinary symptoms (common but NOT specific)

These can occur in BPH, prostatitis, or cancer:

• Frequent urination (especially at night)

• Weak urine stream

• Difficulty starting urine

• Stopping and starting (intermittency)

• Feeling of incomplete emptying

• Urgency (need to rush)

Important: Most urinary symptoms in older men are due to BPH, not cancer. But persistent or worsening symptoms should be evaluated.

B) Blood in urine or semen

Not always cancer, but needs evaluation:

• Blood in urine (hematuria)

• Blood in semen (hematospermia)

C) Erectile dysfunction (ED)

ED is common with age and many medical conditions. On its own, it is not a reliable sign of cancer, but it may coexist.

D) Pelvic discomfort

Some men report vague pelvic pain or discomfort—more typical of prostatitis, but persistent symptoms merit evaluation.

4) Red flags: symptoms that need prompt evaluation

Seek medical review if you have:

• Blood in urine

• Persistent bone pain (back/hips/ribs), especially at night (possible advanced disease)

• Unexplained weight loss and fatigue

• New leg swelling (sometimes related to advanced disease)

• Inability to pass urine (acute urinary retention—urgent)

5) Who is at higher risk?

Prostate cancer risk increases with:

• Age (risk rises after 50)

• Family history (father/brother with prostate cancer, especially at younger age)

• Certain genetic factors (in some families)

• Obesity and lifestyle factors may influence risk and outcomes

Men at higher risk should discuss screening with their doctor.

6) PSA test: what it means (and what it does NOT mean)

What PSA is

PSA is a protein made by prostate cells. A blood test measures PSA level.

PSA can be high for many reasons (not only cancer)

Common causes of elevated PSA include:

• BPH (benign enlargement)

• Prostatitis (inflammation/infection)

• Recent ejaculation

• Recent catheterization or instrumentation

• Urinary retention

• Vigorous cycling or prostate stimulation (in some cases)

Key point

• A single PSA number is not enough.
  Doctors interpret PSA along with:

• Age-adjusted expectations

• PSA trend over time

• PSA density (PSA relative to prostate size)

• Free vs total PSA (in selected cases)

• Symptoms and exam findings

7) DRE (Digital Rectal Exam): why it matters

A doctor may do a simple rectal exam to feel the prostate for:

• Hard areas

• Nodules

• Asymmetry

DRE plus PSA improves assessment accuracy.

8) How prostate cancer is confirmed (step-by-step)

Step 1: Clinical evaluation + PSA + DRE

Your doctor reviews symptoms, risk factors, PSA level and trend, and DRE.

Step 2: Multiparametric MRI (mpMRI) prostate

If PSA/DRE is concerning, an MRI prostate helps:

• Identify suspicious lesions

• Guide targeted biopsy

• Reduce unnecessary biopsies in selected cases (clinical decision)

Step 3: Biopsy (final confirmation)

Diagnosis requires a tissue diagnosis:

• TRUS-guided biopsy (ultrasound-guided)

• MRI-targeted biopsy (increasingly preferred when MRI shows lesion)

Biopsy report provides:

• Gleason score / Grade Group (aggressiveness)

• Extent of disease in cores

Step 4: Staging tests (if needed)

Depending on risk category, doctors may advise:

• PSMA PET-CT (in selected cases)

• Bone scan or CT/MRI as appropriate

9) If cancer is found: does everyone need immediate treatment?

Not always. Prostate cancer management depends on risk level:

• Low-risk: may be suitable for active surveillance (monitoring with PSA/MRI/biopsy schedule)

• Intermediate/high-risk: often treated with surgery and/or radiotherapy ± hormone therapy

• Advanced/metastatic: systemic therapies (hormone therapy, chemo, targeted agents) ± radiotherapy for control

This “risk-based” approach avoids overtreatment while ensuring timely therapy for aggressive disease.

10) When to seek emergency care

Go to emergency if you have:

• Inability to pass urine (acute retention)

• Severe blood in urine with clots and inability to void

• Severe back pain with weakness/numbness in legs (rare but urgent)

11) Frequently asked questions

If I have urinary symptoms, is it cancer?

Usually not. BPH is far more common. But you should still be evaluated, especially if symptoms are new or worsening.

If PSA is normal, can I still have prostate cancer?

Yes, rarely—especially in certain cancer types. That is why exam and clinical judgement matter.

If PSA is high, does it mean cancer?

No. Many benign conditions raise PSA. Further assessment (repeat PSA, treat infection if suspected, MRI) helps decide next steps.

Is prostate cancer curable?

When detected early and treated appropriately, many prostate cancers are highly treatable with excellent outcomes.

Next steps at I D Cancer Centre

If you are over 50 (or over 45 with family history) and have concerns about PSA or urinary symptoms, a structured evaluation helps avoid delay and unnecessary anxiety.