Unexpected Lump in Scrotum: What Could It Be? - Urology

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There is an additional mass on the left side?


This week, I suddenly discovered three masses in my scrotum.
Two of them are testicles, but I noticed an additional mass on the left side that is about the same size as a testicle.
I'm not sure what the issue could be, as I have never experienced this before.
I would like a doctor to help clarify this situation, as I am a bit concerned.
I don't have any discomfort, but I find it quite strange.

Ray, 10~19 year old female. Ask Date: 2021/09/19

Dr. Du Shixi reply Urology


Hello: Your condition should be evaluated by a urologist at the hospital.
Wishing you good health.

Reply Date: 2021/09/19

More Info


Finding an unexpected lump in the scrotum can be concerning, and it's important to understand the potential causes and implications. In your case, since you have discovered a new lump on the left side of your scrotum that is approximately the same size as your testicle, it is essential to consider various possibilities.

One of the most common causes of a lump in the scrotum is a hydrocele, which is a fluid-filled sac surrounding a testicle. Hydroceles are usually painless and can occur due to injury, infection, or sometimes for no apparent reason. Another possibility is a spermatocele, which is a cyst that forms in the epididymis (the tube that stores and carries sperm). Like hydroceles, spermatoceles are typically benign and may not cause any discomfort.

A more serious concern could be a testicular tumor. While many testicular tumors are malignant, they can also be benign. Testicular cancer often presents as a painless lump, and it is crucial to rule this out, especially since you mentioned that the lump is about the same size as your testicle. Other potential causes include varicocele, which is an enlargement of the veins within the scrotum, or epididymitis, which is inflammation of the epididymis often caused by infection.

Given that you have not experienced any discomfort or other symptoms, such as pain, swelling, or changes in urination, it is still vital to seek medical evaluation. A healthcare provider will likely perform a physical examination and may recommend an ultrasound of the scrotum. This imaging test can help differentiate between fluid-filled structures (like hydroceles or spermatoceles) and solid masses (which could indicate a tumor).

In terms of prognosis, many conditions that cause lumps in the scrotum are benign and can be managed effectively. However, if a testicular tumor is diagnosed, the prognosis can vary based on the type and stage of the cancer. Early detection and treatment are crucial for the best outcomes.

As for your concerns about long-term implications, if the lump is benign, it may not require any treatment other than monitoring. However, if it is determined to be a tumor, treatment options may include surgery, chemotherapy, or radiation, depending on the specific diagnosis.

In conclusion, while the discovery of a lump in the scrotum can be alarming, many potential causes are benign. It is essential to consult a healthcare professional for a thorough evaluation and appropriate management. Early diagnosis and treatment can significantly improve outcomes, so do not hesitate to seek medical advice.

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