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Urology · Benign Prostatic Hyperplasia

Understanding Prostatic Adenoma and BPH

At a Glance

Prostatic adenoma, or BPH, is a noncancerous growth in the prostate that may or may not cause urinary symptoms. When symptoms are mild, watchful waiting with symptom tracking, lifestyle changes, and regular follow-up can be a safe management approach.

If you have recently heard the term prostatic adenoma or been diagnosed with Benign Prostatic Hyperplasia (BPH), it is important to know that you are experiencing one of the most common age-related changes in the male body. While the name sounds clinical, it is a noncancerous overgrowth (hyperplasia) of prostate stromal and glandular cells that many men develop as they get older [1].

What is a Prostatic Adenoma?

A prostatic adenoma refers to a noncancerous overgrowth of the tissue in the prostate. Specifically, this growth primarily occurs in the transition zone, which is the part of the prostate that surrounds the urethra (the tube that carries urine out of the bladder) [1].

As these cells multiply, they can cause the prostate to physically enlarge. This overall condition is called Benign Prostatic Hyperplasia (BPH). It is a very common condition: by 2019, an estimated 94 million men globally were living with BPH, a significant increase from previous decades driven largely by the world’s aging population [2].

BPH is Not Prostate Cancer

One of the most common concerns for men diagnosed with BPH is whether it will lead to cancer. It is important to be clear: BPH is not prostate cancer, and it does not “turn into” cancer [3].

While both conditions involve cell growth and both become more common as men age, they develop independently and typically in different parts of the prostate [4][5]. It is possible to have both BPH and prostate cancer at the same time, but having BPH does not mean you are at a higher risk for developing aggressive cancer [3][4]. Because BPH can raise your Prostate-Specific Antigen (PSA) levels, your care team will evaluate your PSA test results in the context of your prostate size and other risk factors [3].

Understanding the Differences: Growth vs. Symptoms

A diagnosis of BPH does not always mean you will have symptoms. Doctors distinguish between three different aspects of the condition:

  1. Histologic BPH: This refers to the microscopic overgrowth of cells. About half of all men over age 40 have this cellular growth, but many never realize it [1][2].
  2. Benign Prostatic Enlargement (BPE): This is when the growth is significant enough that the prostate physically gets larger [1].
  3. Bladder Outlet Obstruction (BPO): This occurs when the enlarged prostate actually squeezes the urethra, making it difficult for urine to flow out of the bladder [1][6].

Because of these differences, some men have very large prostates but no trouble urinating, while others have only slight enlargement but experience significant symptoms [1].

Why “Watchful Waiting” is a Valid Choice

If your symptoms are mild or do not significantly interfere with your daily life, you may not need any medical or surgical treatment. Major medical organizations endorse an approach called watchful waiting (also known as conservative management) [7][8].

Watchful waiting is not “doing nothing.” It is a proactive management strategy that includes:

  • Regular Monitoring: Using tools like the International Prostate Symptom Score (IPSS)—a questionnaire about your urinary habits—to track if your symptoms are getting worse over time [7][9]. Your follow-up schedule and testing will be individualized to your needs.
  • Behavioral Changes: Adjusting your habits, such as reducing fluid intake before bedtime or limiting caffeine and alcohol, which can irritate the bladder [10].
  • Routine Check-ups: Meeting with your primary care doctor or urologist periodically to evaluate your symptoms and ensure no complications are developing [9].

This approach allows many men to avoid the potential side effects of medications or surgery while ensuring that treatment can be started promptly if their condition changes [10][11].

Building Your Care Team

Managing BPH often involves a team. Your primary care provider may handle initial diagnosis and watchful waiting, referring you to a urologist (a specialist in the urinary tract) if you need advanced testing, have red flag symptoms, or are considering medications or surgery. Pharmacists are also key resources to help you review over-the-counter medications that might worsen your symptoms.

Common questions in this guide

What is a prostatic adenoma, and is it the same as BPH?
A prostatic adenoma is a noncancerous overgrowth of prostate tissue, usually in the part of the prostate that surrounds the urethra. When this growth enlarges the prostate, the overall condition is called benign prostatic hyperplasia, or BPH.
Does BPH turn into prostate cancer?
No. BPH is noncancerous and does not turn into prostate cancer, although both conditions can occur in the same person. BPH can raise PSA levels, so clinicians interpret PSA results along with prostate size and other risk factors.
Can a large prostate cause symptoms while a smaller one does not?
Prostate size and urinary symptoms do not always match. A large prostate may not block urine flow, while a smaller enlargement can still squeeze the urethra and make urination difficult.
Is watchful waiting a reasonable approach for BPH?
Yes, when symptoms are mild or do not interfere much with daily life, watchful waiting can be an active approach rather than doing nothing. It usually includes symptom tracking, lifestyle changes, and regular follow-up so treatment can be reconsidered if symptoms worsen.
What lifestyle changes may help with BPH symptoms?
Reducing fluids before bedtime and limiting caffeine and alcohol may reduce bladder irritation and nighttime urination. Your clinician can tailor these changes to your symptoms, and a pharmacist can help review over-the-counter medicines that may worsen urinary problems.
What does the IPSS score tell me about BPH?
The International Prostate Symptom Score, or IPSS, is a questionnaire about urinary habits and symptoms. It helps track how bothersome symptoms are and whether they are changing over time, but your care team considers it alongside your overall situation.

Questions to Ask Your Doctor

Curated prompts to bring to your next appointment.

  1. 1.What is my current International Prostate Symptom Score (IPSS), and what does it indicate about the severity of my symptoms?
  2. 2.Based on my current symptoms, am I a good candidate for watchful waiting rather than starting medication right away?
  3. 3.How much of my current PSA level might be attributed to BPH rather than other concerns?
  4. 4.Is my prostate enlargement specifically in the transition zone, and is it causing measurable bladder outlet obstruction?
  5. 5.What behavioral or lifestyle changes do you recommend I try while we monitor my condition?

Questions For You

Tap a prompt to share your answer — we'll use it plus this page's context to start a tailored conversation.

References

References (11)
  1. 1

    Convective Water Vapor Energy for Lower Urinary Tract Symptoms/Benign Prostatic Hyperplasia.

    DeLay KJ, McVary KT

    The Urologic clinics of North America 2016; (43(3)):371-5.

    PMID: 27476129
  2. 2

    The global, regional, and national burden of benign prostatic hyperplasia in 204 countries and territories from 2000 to 2019: a systematic analysis for the Global Burden of Disease Study 2019.

    The lancet. Healthy longevity 2022; (3(11)):e754-e776 doi:10.1016/S2666-7568(22)00213-6.

    PMID: 36273485
  3. 3

    Genome-wide associations for benign prostatic hyperplasia reveal a genetic correlation with serum levels of PSA.

    Gudmundsson J, Sigurdsson JK, Stefansdottir L, et al.

    Nature communications 2018; (9(1)):4568 doi:10.1038/s41467-018-06920-9.

    PMID: 30410027
  4. 4

    Relationships between holmium laser enucleation of the prostate and prostate cancer.

    Lee MS, Assmus MA, Guo J, et al.

    Nature reviews. Urology 2023; (20(4)):226-240 doi:10.1038/s41585-022-00678-y.

    PMID: 36418491
  5. 5

    Mechanistic targets for BPH and prostate cancer-a review.

    Shah A, Shah AA, K N, Lobo R

    Reviews on environmental health 2021; (36(2)):261-270 doi:10.1515/reveh-2020-0051.

    PMID: 32960781
  6. 6

    [Diagnostic work-up of benign prostatic hyperplasia : The German S2e-guideline 2023 part 1].

    Oelke M, Abt SD, Becher KF, et al.

    Urologie (Heidelberg, Germany) 2023; (62(8)):805-817 doi:10.1007/s00120-023-02142-0.

    PMID: 37401972
  7. 7

    How Would You Manage This Patient With Benign Prostatic Hyperplasia? : Grand Rounds Discussion From Beth Israel Deaconess Medical Center.

    Smetana GW, Smith CC, Singla A, Libman H

    Annals of internal medicine 2023; (176(4)):545-555 doi:10.7326/M23-0113.

    PMID: 37037036
  8. 8

    Benign Prostatic Hyperplasia.

    Langan RC

    Primary care 2019; (46(2)):223-232 doi:10.1016/j.pop.2019.02.003.

    PMID: 31030823
  9. 9

    EAU Guidelines on the Assessment of Non-neurogenic Male Lower Urinary Tract Symptoms including Benign Prostatic Obstruction.

    Gratzke C, Bachmann A, Descazeaud A, et al.

    European urology 2015; (67(6)):1099-1109 doi:10.1016/j.eururo.2014.12.038.

    PMID: 25613154
  10. 10

    Non-interventional and medical management of lower urinary tract symptoms related to benign prostatic hyperplasia in men: Guidelines of the French LUTS Committee (CTMH).

    Anract J, Klein C, Sarrazin C, et al.

    The French journal of urology 2025; (35(11)):102952 doi:10.1016/j.fjurol.2025.102952.

    PMID: 41271371
  11. 11

    Assessment and management of male lower urinary tract symptoms (LUTS).

    Abdelmoteleb H, Jefferies ER, Drake MJ

    International journal of surgery (London, England) 2016; (25()):164-71.

    PMID: 26654899

This page explains prostatic adenoma and BPH, including watchful waiting, for informational purposes only and does not constitute medical advice. Your primary care clinician or urologist can interpret your symptoms, PSA level, and IPSS in the context of your health.

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