All About Thrombosed Piles: Everything You Should Know Piles, Also known as swollen rectal veins, are dilated veins in the anal-rectal area. When a blood clot forms inside one, it causes a thrombosed pile—a debilitating condition that hampers your routine. Below, explore the symptoms, triggers, and solutions for thrombosed haemorrhoids. https://penzu.com/p/a234dc1147b87e61