blood vessel

What is an arteriovenous malformation?

An arteriovenous malformation (AVM) is an abnormal tangle of blood vessels made up of arteries and veins. In a normal circulatory system, blood flows from the heart through arteries, into tiny capillaries that supply oxygen and nutrients to tissues, and then back to the heart through veins. In an AVM, the blood flows directly from …
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Your pathology report for hemangioma

A hemangioma is a non-cancerous tumour made up of an abnormal collection of blood vessels. These tumours often appear red to blue and typically have a well-defined border separating them from the surrounding normal tissue. Hemangiomas can occur anywhere on the body but are most commonly found on the skin, head, neck, and liver. The …
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