What is a characteristic feature of Hereditary Telangiectasia?

Hereditary Telangiectasia, also known as Osler-Weber-Rendu syndrome, is primarily characterized by abnormal blood vessel formation, leading to the presence of telangiectasias in the skin and mucous membranes. These telangiectasias manifest as small, dilated blood vessels visible on the surface of the skin, providing a distinctive appearance, particularly in areas such as the face, lips, and inside the mouth. This vascular malformation results from a genetic predisposition, affecting normal blood vessel development and repair mechanisms.

While frequent nosebleeds can be associated with Hereditary Telangiectasia due to the presence of these abnormal vessels in the nasal mucosa, the defining feature of the condition is the abnormal blood vessel formation itself, which can lead to a broad range of complications and symptoms beyond just the propensity for bleeding. Other options like excessive hair growth and high blood pressure are not closely linked to this condition, making the identification of abnormal blood vessels a key characteristic in diagnosis and management.