Active Surveillance or Focal Therapy (HIFU / NanoKnife) for Localized Prostate Cancer?

Blue ribbon for prostate cancer awareness and men’s health

Receiving a diagnosis of localized prostate cancer can turn your life upside down in a matter of minutes. For many men, the shock is immediately followed by an overwhelming question: Should I treat my cancer now, or can I safely monitor it without taking unnecessary risks?

On the one hand, active surveillance can often help avoid or delay treatment. On the other, newer focal therapy approaches for prostate cancer, such as HIFU (high-intensity focused ultrasound) and NanoKnife, aim to destroy the tumor while limiting the side effects associated with more aggressive treatments.

So, how can you make an informed decision when you are caught between the fear of cancer progression and the fear of the consequences of treatment?

Understanding Localized Prostate Cancer

Cancer is considered localized when it remains confined to the prostate and shows no signs of spread to the lymph nodes, bones, or other organs.

In this situation, the prognosis is generally excellent. However, not all localized prostate cancers behave in the same way:

• Some grow very slowly.
• Others have a higher risk of progression.
• Some require prompt intervention.
• Others can be monitored for several years.

It is precisely this difference that explains why the same recommendation does not apply to every patient.

Option 1: Active Surveillance

Active surveillance for prostate cancer involves closely monitoring the progression of the cancer without immediately undergoing definitive treatment.

How Does Active Surveillance Work?

Patients generally undergo follow-up that includes:

• Regular PSA testing
• Clinical examinations
• Magnetic resonance imaging (MRI)
• Follow-up biopsies
• Assessment of the risk of progression

The goal is simple: to intervene only if the cancer shows signs of progression.

The Benefits of Active Surveillance

Preserving Quality of Life

The absence of immediate treatment generally means no hospitalization, no recovery time, and little to no immediate impact on urinary or sexual function.

Avoiding Unnecessary Treatment

For some patients, the cancer progresses so slowly that treatment may never become necessary.

Reducing the Risk of Overtreatment

Historically, many low-risk cancers were treated aggressively even though they could have been safely monitored.

The Limitations of Active Surveillance

Despite its benefits, this approach can also present significant psychological challenges. Many men find it difficult to live with the knowledge that cancer is still present in their bodies.

The most common concerns include:

• What if the cancer progresses between follow-up appointments?
• Will I miss the ideal window for treatment?
• How can I live with this diagnosis without constant worry?

For some patients, this anxiety becomes a major factor in their decision-making process.

Option 2: Focal Therapy (HIFU or NanoKnife)

Focal therapy is a modern approach that targets only the cancerous area rather than treating the entire prostate.

The principle is similar to that used in other areas of medicine: precisely targeting the lesion while preserving the surrounding healthy tissue.

HIFU: High-Intensity Focused Ultrasound

HIFU uses high-intensity ultrasound waves to precisely target and destroy the tumor.

Potential benefits include:

• Minimally invasive treatment
• No surgical incision
• Generally short recovery time
• Potential preservation of a significant portion of the prostate
• Potentially lower risk of certain urinary and sexual side effects

NanoKnife: Irreversible Electroporation

NanoKnife uses precise electrical pulses to destroy cancer cells while better preserving certain critical anatomical structures.

This technology is particularly interesting when the location of the tumor requires a high degree of precision.

Potential benefits include:

• Highly targeted approach
• Maximum preservation of surrounding tissue
• Personalized treatment based on the location of the lesion
• Minimally invasive approach compared with several traditional treatments

Who Is Eligible for Focal Therapy?

Not all prostate cancers can be treated with HIFU or NanoKnife. Eligibility is assessed based on several factors, including:

• The cancer’s risk classification
• The size of the lesion
• Its location within the prostate
• The results of a multiparametric MRI
• The results of an MRI-ultrasound fusion biopsy
• The patient’s overall health

Careful patient selection is essential to achieve the best possible outcomes.

The Crucial Role of MRI-Ultrasound Fusion Transperineal Biopsy

Before choosing between active surveillance and focal therapy, it is essential to understand the nature of the cancer as accurately as possible.

This type of biopsy plays a strategic role in that process. The technique combines MRI imaging and ultrasound to target suspicious areas of the prostate with greater precision.

Potential benefits include:

• Better characterization of the cancer
• More precise tumor mapping
• More reliable risk assessment
• Valuable support in treatment decision-making

For many men, this step provides the information they need to make a confident and informed decision.

Active Surveillance or Focal Therapy: A Quick Comparison

The Real Question: What Is Best for You? There is no one-size-fits-all answer. The best option depends on several factors:

• The exact characteristics of the cancer
• Your age
• Your overall health
• Your personal goals
• Your risk tolerance
• Your level of comfort with active surveillance

A strategy that is appropriate for one patient may be completely unsuitable for another. That is why seeking a specialized second opinion is often one of the most important steps in the decision-making process.

Get a Second Opinion from Our Urologists

Have you recently been diagnosed with localized prostate cancer and are unsure whether active surveillance or focal therapy is right for you?

At Cliniques Marois, our urologists provide a thorough assessment that includes a review of your medical history, imaging studies, and biopsy results to help determine the most appropriate treatment options for your unique situation.

Don’t make such an important decision alone. Get a Prompt Second Medical Opinion from Our Urologists Today. You may discover that a personalized option exists between anxious waiting and more invasive treatments.