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Hereditary Hemorrhagic Telangiectasia (HHT) is characterized by the presence of arteriovenous malformations (AVM), which lack capillary connections and result in direct junction between arteries and veins. Small AVMs are called telangiectasias. These telangiectasias are more evident on the lips, tongue, face, fingers, nasal, oral and gastrointestinal mucosa [1].
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