A Clinical Study of the Sclerotherapy for Large Venous Malformations of the Pharyngolarynx with Airway Stenosis

Abstract

We treated four cases of airway stenosis associated with large venous malformations of the pharyngolarynx. The patients ranged in age from 33 to 53 years, and consisted of one male and three females. The venous malformation was located in the posterior wall of the oropharynx in two cases, in the hypopharynx in. one case, and in the anterior wall of the oropharynx in one case. All the patients complained of shortness of breath upon adopting the supine position. The patients were tracheotomized under general anesthesia and treated by sclerotherapy under videolaryngoscopic guidance. We used absolute ethanol, polidocanol or monoethanolamine oleate, as appropriate, depending on the case. In regard to the efficacy of the sclerotherapy, the venous malformation disappeared in one case and reduced in size in the remaining three cases, and no severe adverse events were recognized in any of the cases. All the patients were discharged from the hospital within two weeks and did not need tracheostomy. Sclerotherapy umder videolaryngoscopic guidance is effective for the treatment of large venous malformations in the pharyngolarynx.