Causes of varicocele

Written by Wang Shuai

Urology

Updated on August 31, 2024

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There are several causes of varicocele, including congenital factors and secondary causes. Congenital causes are mainly seen in cases of incomplete development of venous valves, while secondary causes may result from prolonged sitting, standing, or intense exercise over time. Some patients develop varicocele due to kidney tumors or blood clots in renal veins, which obstruct the blood flow returning through the spermatic vein. Patients with severe varicocele may experience a sensation of heaviness and pain in the testicles. In treating varicocele, it is also important to understand the reasons behind it. If it is caused by a tumor, active treatment of the tumor is necessary.

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Vascular Surgery

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What is the cause of pain in varicose veins?

Varicose veins can sometimes cause localized pain, and there are several reasons for this pain. One reason is the formation of blood clots in the varicose veins, which can cause very obvious pain. Additionally, the affected area feels harder, not soft. When we say soft, it's like the softness of one’s lips; if it feels like the tip of the nose or the forehead, then it's considered very hard. In such cases, it indicates that the vein is not empty but contains a solid blood clot, which can cause pain. Another situation is if there is poor venous return in the proximal segment, causing the veins to fill significantly in a short time. This can also pull on the nerves outside the vein wall, leading to a sensation of pain.

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What are the dangers of bruising due to varicose vein rupture?

When varicose veins rupture and cause bruising, if the area is small, it may be absorbed on its own. If the area is large, or if there is a certain degree of fluid accumulation, this fluid can potentially lead to infection, especially if the patient has diabetes or is using steroids, which may cause the accumulated blood to become infected. Additionally, after the absorption of a bruise, some patients may experience local pigmentation. This occurs because the iron-containing hemoglobin from metabolized red blood cells remains in the area, leading to a change in color. In severe cases, if the discoloration recurs, it may darken, and further development in some people might result in the skin becoming rougher and potentially ulcerating.

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Written by Zhang Xue Min

Vascular Surgery

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Why does varicose veins sometimes feel like needle pricks?

In cases of varicose veins, the blood flow in the varicose veins is relatively slow. This blood, having undergone gas exchange, contains less oxygen and more carbon dioxide. If such blood remains in a local area for an extended period, it can potentially stimulate the nerves to some extent. Sometimes, including in varicose veins, if the blood flow pressure within these veins increases, it can also stimulate the nerves in the outer membrane of the blood vessels, leading to abnormal nerve discharges. Such incidents can manifest as brief, pin-like pain, not particularly intense, resembling the sensation of a needle prick. This condition is quite common and generally holds no special significance.

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Written by Chen Feng

Urology

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What should I do about varicocele?

The treatment methods for varicocele vary based on the severity of the condition. Clinically, some patients with varicocele show no obvious symptoms and it is only discovered during a physical examination. These patients can generally be observed temporarily, and can also wear tight underwear or use a scrotal support to alleviate the condition. However, some patients do exhibit clear symptoms, such as a significant sensation of heaviness in the scrotum, especially after standing or walking for long periods, where the pain becomes more pronounced. These patients generally need to consider surgical treatment, where the main procedure involves high ligation of the spermatic vein. This can help alleviate symptoms and also improve the quality of semen.

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Written by Zhang Xue Min

Vascular Surgery

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Can you run if you have varicose veins in your lower legs?

Patients with simple varicose veins can run. The movement of muscles, especially during running when the calf muscles are active, can compress the deep veins, facilitating the emptying of these veins. This benefits the flow of blood in the superficial veins through the communicating veins back to the deep venous system, thus participating in the systemic circulation. Therefore, patients with varicose veins in the calves can still run in the majority of cases. However, there are exceptions. If a person experiences significant muscle pain, it is important to be cautious as there may be a thrombus in the muscle veins. If there is a thrombus in the muscle veins, and the return flow in the deep veins is obstructed, this may also cause varicose veins. In cases of fresh thrombosis, running might lead to the detachment of the thrombus. Thus, patients in such conditions are advised not to run until further evaluation is confirmed by an ultrasound examination.