blood vessel

Arteriovenous malformation (AVM)

An arteriovenous malformation is an abnormal group of blood vessels. Most arteriovenous malformations are made up of two different kinds of blood vessels – arteries and veins. Arteries are large blood vessels that carry blood from the heart to the body. Veins are large blood vessels that carry blood back from the body to the …
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What is a hemangioma?  A hemangioma is a non-cancerous tumour made from abnormal blood vessels. Without a microscope, the tumour looks red to blue in colour, and there tends to be a clear border between the tumour and the surrounding normal tissue. Where are hemangiomas commonly found? This kind of tumour can start anywhere on …
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