Vascular Anomalies and Treatments

Hereditary hemorrhagic telangiectasia (HHT) is an inherited vascular disorder caused by mutations in genes such as *ENG*, *ACVRL1*, and *SMAD4*, which disrupt normal blood vessel formation and lead to abnormal connections between arteries and veins throughout the body. These malformations can appear as small dilated vessels on the skin and mucous membranes, causing recurrent nosebleeds, or as larger lesions in the lungs, liver, and brain that carry serious risks including stroke, hemorrhage, and heart failure. Research in this area is working to clarify how specific mutations translate into different patterns of organ involvement, and to refine when and how interventions such as catheter-based embolization should be applied to seal off dangerous pulmonary malformations before they cause harm. An active open question is whether emerging targeted therapies that modulate the affected signaling pathways can reduce disease burden beyond what current symptom management and procedural treatments achieve.

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Keywords

Hereditary Hemorrhagic TelangiectasiaDiagnosisManagementGeneticsPulmonary Arteriovenous MalformationsEmbolization