Moving Small Lump on Testicle: What You Need to Know - Urology

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There is a movable pea-sized hard lump on the testicle?


Hello doctor, I have a small ball the size of a bean in the middle of my left testicle.
It doesn't hurt, and it seems to be separable from the testicle because I have tried to pinch it, but it's difficult to determine if it's a tumor like testicular cancer since it's slippery due to a layer of skin.
Additionally, this ball seems to shrink after I continue to touch it.
I still have one month before I can return to my home country for medical treatment, and I'm concerned about whether this delay could worsen my condition.
Thank you for your response.

john, 20~29 year old female. Ask Date: 2016/10/13

Dr. Li Xinyi reply Urology


Although it sounds okay, could it delay the condition? No doctor can guarantee, so it is still advisable to see a urologist for an examination, including a urinalysis and a scrotal ultrasound.

Reply Date: 2016/10/13

More Info


When it comes to a small lump on the testicle, it is essential to approach the situation with caution and awareness. The presence of a small, movable lump on the testicle can be concerning, but it is important to understand that not all lumps are indicative of serious conditions such as testicular cancer. Here’s what you need to know:
1. Common Causes of Testicular Lumps: The lump you are describing could be a variety of things. Common benign causes include:
- Epididymal Cyst: This is a fluid-filled sac that can develop in the epididymis, which is the tube that stores and carries sperm. These cysts are usually painless and can be moved around.

- Spermatocele: Similar to an epididymal cyst, a spermatocele is a cyst that forms in the epididymis and is filled with fluid and sperm. It is also typically painless.

- Varicocele: This is an enlargement of the veins within the scrotum and can sometimes feel like a lump.

- Hydrocele: This is a buildup of fluid around the testicle, which can cause swelling but is generally not painful.

2. Testicular Cancer: While it is less common, testicular cancer can present as a lump on the testicle. It is usually firm and may be associated with other symptoms such as a feeling of heaviness in the scrotum, changes in size or shape of the testicle, or discomfort. The fact that your lump is movable and not painful is somewhat reassuring, but it does not completely rule out the possibility of cancer.

3. Self-Examination: It is good that you are performing self-examinations. When examining your testicles, it is best to do so in a warm environment, such as after a shower, when the scrotum is relaxed. Gently roll each testicle between your fingers and check for any lumps, swelling, or changes in size or shape.

4. When to Seek Medical Attention: Since you mentioned that the lump changes size with touch, it could indicate that it is not a solid mass, which is a positive sign. However, any new lump or change in the testicle should be evaluated by a healthcare professional. If you experience additional symptoms such as pain, swelling, or changes in urination, you should seek medical attention sooner rather than later.

5. Delay in Medical Care: While waiting a month to see a doctor may seem long, it is crucial to monitor the lump for any changes. If it grows, becomes painful, or if you develop other symptoms, you should seek medical attention immediately, even if it means going to an urgent care facility or emergency room.

6. Conclusion: In summary, while the lump you describe may not be serious, it is essential to keep a close watch on it and seek medical evaluation when you are able. Testicular health is vital, and early detection of any potential issues can lead to better outcomes. If you have any concerns or if the lump changes in any way, do not hesitate to seek medical advice sooner. In the meantime, try to avoid excessive manipulation of the area, as this could lead to irritation or swelling.

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