Testicular Pain: Causes and Normal Anatomy Explained

Testicular pain

The structures within the testicles that you are referring to are likely the seminiferous tubules, which are responsible for sperm production.
A diameter of approximately 0.25 centimeters (2.5 millimeters) for these tubules is generally considered normal.
However, if you experience pain when pressing on the testicles, this may not be normal and could indicate an underlying issue, such as inflammation or infection.
It is advisable to consult a healthcare professional for a thorough evaluation.

Tomato, 20~29 year old female. Ask Date: 2001/09/27

Dr. Liu Jianting reply Urology

Based on your description, that duct might be the "epididymis" attached to the testis! Both the testis and epididymis are delicate and sensitive structures, so pressing on them can certainly cause pain.
If there is swelling and pain without any apparent reason, it could be a sign of inflammation or infection.
Please visit a hospital and consult a urologist for a thorough examination.

Reply Date: 2001/09/27

More Info

Testicular pain can be a concerning symptom, and understanding the anatomy and potential causes is essential for proper evaluation and management. The structures within the testicles include the seminiferous tubules, which are responsible for sperm production, and the epididymis, which is a coiled tube that stores and matures sperm. The pain you are experiencing could be related to several factors, and it is important to differentiate between normal anatomical variations and potential pathological conditions.

Firstly, the "管道" (tubes) you are referring to within the testicles are likely the seminiferous tubules. These tubules are typically not palpable, but they play a crucial role in spermatogenesis. The epididymis, which is located on the posterior aspect of the testicle, is also a tubular structure that can sometimes be felt as a firm, cord-like structure. The normal diameter of these structures can vary, but a quarter-centimeter (approximately 2.5 mm) is within a reasonable range for the epididymis or other small ducts.

Regarding the pain you experience when pressing on the testicle, it is not uncommon for the testicles to be sensitive to touch. However, significant pain, especially if it is sharp or persistent, may indicate an underlying issue that requires medical attention. Possible causes of testicular pain include:
1. Epididymitis: Inflammation of the epididymis, often due to infection, can cause localized pain and swelling.

2. Orchitis: Inflammation of the testicle itself, which can also be due to infections, including viral infections like mumps.

3. Testicular torsion: A surgical emergency where the spermatic cord becomes twisted, cutting off blood supply to the testicle. This condition typically presents with sudden, severe pain and requires immediate medical intervention.

4. Hernia: An inguinal hernia can cause pain that radiates to the testicle.

5. Varicocele: Enlarged veins within the scrotum can cause a dull ache or discomfort.

6. Trauma: Any injury to the testicles can lead to pain and swelling.

If you are experiencing persistent or severe pain, it is crucial to seek medical evaluation. A healthcare provider may perform a physical examination, and possibly imaging studies such as an ultrasound, to assess the structures within the scrotum and determine the cause of your pain.

In summary, while some sensitivity in the testicles can be normal, significant pain is not. It is essential to consult with a healthcare professional to rule out any serious conditions and receive appropriate treatment. Early diagnosis and management can help prevent complications and ensure better outcomes.

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