Testicular Lumps: Causes and When to Seek Help - Urology

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Testicular mass


Hello doctor, my left and right testicles are not the same size.
The right testicle has a noticeable protrusion, about one centimeter, which I have noticed for several years.
The size of the protrusion has not changed, but there is a slight pain when I press on it.
I would like to ask if this is normal and if there is a possibility that it could be testicular cancer?

A-Hong, 20~29 year old female. Ask Date: 2021/07/05

Dr. Du Shixi reply Urology


Hello: Tenderness is not normal; the likelihood of testicular cancer is low, but you should still seek medical evaluation.
Wishing you good health.

Reply Date: 2021/07/05

More Info


When it comes to testicular lumps, it is essential to approach the situation with caution and awareness. The presence of a lump in the testicle can be concerning, and while not all lumps are indicative of cancer, it is crucial to understand the potential causes and when to seek medical help.

Testicular lumps can arise from various conditions, including benign (non-cancerous) and malignant (cancerous) causes. Some common benign conditions include:
1. Epididymal Cysts: These are fluid-filled sacs that develop in the epididymis, the coiled tube located at the back of the testicle. They are usually painless and do not require treatment unless they cause discomfort.

2. Varicocele: This condition involves the enlargement of veins within the scrotum, similar to varicose veins in the legs. It can lead to a feeling of heaviness or discomfort but is generally not dangerous.

3. Hydrocele: A hydrocele is a collection of fluid around the testicle, which can cause swelling. It is usually painless and often resolves on its own.

4. Inguinal Hernia: This occurs when tissue, such as part of the intestine, protrudes through a weak spot in the abdominal muscles. It can create a noticeable lump and may require surgical intervention.

5. Testicular Tumors: While less common, testicular cancer is a serious condition that typically presents as a lump or swelling in the testicle. It can occur at any age but is most prevalent in young men aged 15 to 35. Testicular cancer may be associated with other symptoms, such as a feeling of heaviness in the scrotum, a dull ache in the lower abdomen or groin, and changes in the size or shape of the testicle.

In your case, you mentioned that the lump has been present for several years and has not changed in size, which is somewhat reassuring. However, the fact that it causes slight pain upon pressure is something to take seriously. Pain can sometimes indicate inflammation or other underlying issues that may require further evaluation.

It is essential to seek medical attention if you notice any of the following:
- A new lump or swelling in the testicle.

- Changes in the size or shape of the testicle.

- Persistent pain or discomfort in the testicle or scrotum.

- Any other unusual symptoms, such as swelling in the abdomen or changes in urinary habits.

A healthcare provider will likely perform a physical examination and may recommend an ultrasound of the scrotum to assess the lump's characteristics. An ultrasound is a non-invasive imaging technique that can help differentiate between solid masses and fluid-filled cysts. If there is any suspicion of cancer, further tests, including blood tests for tumor markers and possibly a biopsy, may be necessary.

In summary, while not all testicular lumps are indicative of cancer, it is crucial to take any changes seriously and consult a healthcare professional for a thorough evaluation. Early detection and diagnosis are key to effectively managing any potential issues, including testicular cancer. If you have concerns about the lump you described, I strongly encourage you to schedule an appointment with a urologist or your primary care physician for further assessment.

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