Testicular Cancer: A Comprehensive Guide
Medically reviewed by Andre Stone | MD, University of Pittsburgh School of Medicine on April 10th, 2026.
Published on April 10th, 2026. Updated on August 24th, 2026.
Key Takeaways
Testicular cancer affects young men between 15-35 years old most commonly
It has one of the highest cure rates of all cancers when caught early
A painless lump in the testicle is the most common first sign
Knowing what is normal for you may help you notice changes; routine monthly self-examinations are not recommended for everyone without symptoms or risk factors.
Treatment success rates exceed 95% for early-stage cases
Overview
Testicular cancer develops in the testicles, the male reproductive organs that produce sperm and testosterone. This type of cancer primarily affects younger men, with most cases occurring between ages 15 and 35. While it represents only about 1% of all male cancers, it's the most common cancer in men aged 20-34.
The good news is that testicular cancer has excellent treatment outcomes. When detected early, the cure rate exceeds 95%. Even in advanced cases, treatment is often successful. This makes early detection and prompt medical attention crucial for the best possible outcomes.
About 9,000 new cases are diagnosed in the United States each year. The cancer typically affects only one testicle, though in rare cases it can occur in both. Understanding the signs and symptoms helps men recognize potential problems early and seek appropriate medical care.
Testicular cancer is different from other cancers because it usually responds well to treatment at any stage. Men who catch this cancer have strong chances of complete recovery and long, healthy lives. The key is knowing what to look for and talking to a doctor right away if you notice anything different.
Symptoms & Signs
Testicular cancer symptoms often develop gradually and may be subtle at first. Many men notice changes during routine activities like showering or dressing.
Primary Symptoms
Painless lump or swelling - A firm, smooth mass in the testicle that doesn't cause discomfort
Testicular enlargement - One testicle becomes noticeably larger or feels different from the other
Heavy feeling - A sensation of weight or dragging in the scrotum or lower abdomen
Dull ache - Persistent discomfort in the testicle, scrotum, or groin area
When to Seek Care
Any persistent changes in the testicles warrant medical evaluation. Don't wait if you notice lumps, swelling, or changes in size or texture. Early medical attention improves treatment outcomes significantly.
Some men also notice breast tenderness or nipple discharge, which can happen with certain types of testicular cancer. These symptoms occur because the cancer produces hormones that affect the body. Even if symptoms seem small or embarrassing, telling your doctor is very important for your health.
When to Seek Immediate Care
Contact a healthcare provider promptly if you discover any testicular changes during self-examination or experience persistent discomfort in the scrotal area.
Causes & Risk Factors
The exact cause of testicular cancer remains unclear, but researchers have identified several factors that increase risk. Unlike some cancers, lifestyle choices don't significantly influence testicular cancer development.
Undescended testicles represent the strongest known risk factor. When testicles don't move down into the scrotum before birth, cancer risk increases even after surgical correction. Family history also plays a role, with brothers and sons of affected men having higher risk. Epididymitis is not an established risk factor for testicular cancer. However, testicular symptoms that persist or do not improve as expected should be reassessed by a healthcare professional.
Men with HIV infection have a higher chance of developing testicular cancer than men without HIV. Past injuries to the testicles don't actually cause cancer, but they might make you notice the area more. People with certain conditions present at birth affecting testicle development also face increased risk and should have regular checkups.
Age
Most common between 15-35 years old
Genetics
Family history increases risk 3-10 times
Lifestyle
Previous testicular cancer, undescended testicles
Other Conditions
HIV infection, abnormal testicular development
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Diagnosis
Healthcare providers use several approaches to diagnose testicular cancer. The process typically begins with a physical examination and medical history review.
Medical History & Physical Examination
Your doctor will ask about symptoms, family history, and previous testicular problems. The physical exam includes careful examination of both testicles, checking for lumps, swelling, or other abnormalities. The provider may also examine your abdomen and lymph nodes to check for signs of cancer spread.
Diagnostic Testing
Ultrasound - Uses sound waves to create detailed images of testicular tissue and identify masses
Blood tests - Measure tumor markers like AFP, HCG, and LDH that may be elevated with certain cancers
CT scan - Provides detailed images to determine if cancer has spread to other body areas
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Treatment Options
Treatment for testicular cancer depends on the type and stage of cancer. Most men receive a combination of treatments tailored to their specific situation.
Conservative Treatments
Surveillance - Active monitoring for very early-stage cancers with regular checkups and imaging
Chemotherapy - Medications that destroy cancer cells throughout the body
Radiation therapy - High-energy beams targeted at specific areas to eliminate cancer cells
Advanced Treatments
Orchiectomy - Surgical removal of the affected testicle, often the first treatment step
Retroperitoneal lymph node dissection - Surgery to remove lymph nodes where cancer may have spread
Men undergoing treatment may experience concerns about testosterone levels and erectile function after surgery.
Your doctor will create a treatment plan based on your cancer type and how far it has spread. Side effects from treatment vary and may include tiredness, nausea, or temporary hair loss. Some side effects improve after treatment, while others can persist or appear later. Your healthcare team can explain risks such as fertility changes, nerve or hearing problems, heart or kidney effects, and the small risk of another cancer, depending on the treatment used.
Living with the Condition
Many men successfully return to normal activities after testicular cancer treatment. Understanding what to expect helps with physical and emotional recovery.
Daily Management Strategies
Follow-up care remains essential for monitoring recovery and detecting any recurrence. Schedule regular appointments with your healthcare team as recommended. Stay active within your comfort level and maintain a healthy diet to support healing. Consider joining support groups to connect with other survivors who understand your experience.
Talking to a counselor or therapist can help you process emotions after treatment. Many men feel worried or stressed, and that's completely normal. Your healthcare team can connect you with mental health resources to help you feel better emotionally.
Exercise & Movement
Most men can resume normal physical activities gradually after surgery. Start with gentle walking and increase intensity as you heal. Avoid heavy lifting for several weeks after orchiectomy. Swimming and cycling are usually safe once surgical sites heal completely.
Listen to your body and don't rush your recovery. If something causes pain or discomfort, slow down and give yourself more time to heal. Most men return to their regular activities within four to six weeks after surgery.
Prevention
While testicular cancer can't be completely prevented, certain steps help with early detection and overall testicular health. No lifestyle change has been proven to prevent testicular cancer. Knowing your risk factors and seeking care for new testicular changes can support timely diagnosis.
Perform monthly testicular self-examinations to detect changes early
Maintain regular medical checkups, especially if you have risk factors
Treat undescended testicles promptly in childhood when possible
Stay aware of family history and inform healthcare providers about genetic risks
Learning how to do a self-exam is easy and takes just a few minutes each month. The best time is after a warm shower or bath when your skin is relaxed. You're looking for any lumps, hardness, swelling, or changes in how the testicle feels compared to the month before.
If testicular cancer runs in your family, talk to your doctor about how often you should be checked. Some men with family history benefit from more frequent exams by a professional. Testicular cancer is highly treatable, including in many cases that have spread. Prompt evaluation can simplify treatment in some cases and is important for any new testicular change.
Frequently Asked Questions
Treatment may impact fertility, but many men father children after recovery. Banking sperm before treatment provides options for future family planning. Discuss fertility preservation with your healthcare team.
One healthy remaining testicle can often produce enough testosterone and sperm, but this is not guaranteed. Some people have reduced fertility or low testosterone and may need testing or treatment. Most men don't notice significant changes in hormone levels or sexual function after unilateral orchiectomy.
Routine monthly self-examinations are not recommended for every person without symptoms or risk factors. It can still be helpful to know what is normal for you and to have any new lump, swelling, or other persistent change checked promptly. This helps you become familiar with normal anatomy and notice any changes quickly.
Some types spread faster than others. Prompt evaluation may allow diagnosis before the cancer spreads, but it cannot guarantee that spread will be prevented. The cancer's tendency to spread makes prompt medical evaluation important for any testicular changes.
The vast majority of men with testicular cancer are cured completely. Regular follow-up helps detect recurrence and monitor treatment-related effects. Recurrence is uncommon overall, but the likelihood and follow-up schedule depend on the cancer type, stage, and treatment. Some men may experience concerns about substance effects on their recovery.
Still have questions?
Consult with a healthcare professional for personalized advice.