“…Initially reserved for patients deemed inoperable, sclerotherapy and embolization have emerged as the treatment of choice in many cases, offering advantages over surgical resection [47][48][49][50]. Various chemicals can be used, such as ethanol, coils, glues, Onyx (ethylene-vinyl alcohol copolymer), bleomycin, polidocanol (aethoxysclerol), doxycycline, and many more [49,[51][52][53][54][55][56][57][58]. The specific properties and working mechanisms of these agents differ, and the choice of which agent to use can be based on CVM subtype, anatomical location, content and extent of the lesion, or simply expertise in a center.…”