What Causes Spider Veins?

Tumors Causing Abdominal Pressure

Any unusual and prolonged pressure against the abdomen can lead to spider veins, including tumors. The tumor might be benign, which means it isn't cancerous, but if it's causing severe enough pressure to lead to spider veins, patients might need to get it surgically removed anyway. The doctor will do imaging tests to determine where any tumors are. They may also do diagnostic tests to determine whether the tumor is benign or malignant. From there, they will help devise a treatment plan. It is much rarer for spider veins to be caused by tumors than to be caused by other conditions or environmental factors. Patients should see a doctor if their spider veins feel warm and tender when touched, or if they're red. They should also see a doctor if they develop open sores in the skin, or if home remedies for the problem aren't helping.

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