Which intervention is considered for select patients with large or symptomatic hepatic hemangiomas when conservative management is insufficient?

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Large or symptomatic hepatic hemangiomas are vascular lesions where the goal becomes reducing blood flow to the lesion to shrink it and relieve symptoms while preserving healthy liver tissue. Selective hepatic artery embolization achieves this by delivering embolic material into the arterial feeders of the hemangioma, causing ischemia and eventual shrinkage. Because it is catheter-based and less invasive than surgery, it’s particularly useful for patients with bulky or multiple lesions or who are poor surgical candidates, and it can also be used as a bridge to resection to minimize blood loss if definite surgery is planned later.

Liver transplantation is reserved for extreme, diffuse disease or complications when no other options exist; partial hepatectomy is appropriate only if the lesion is safely resectable without compromising liver function; radiofrequency ablation is better suited for small lesions and is less reliable for large vascular tumors due to incomplete ablation and higher risk of complications.