“…They include temporary conditions caused by sclerotherapy such as fever, 292,303,312,362,[365][366][367][368][369][370][371] local swelling 303,312,365,367,368,370,371 pain, 288,312,362,367,[370][371][372] hemorrhage into the cyst, 288,303,312,368 and infection. 288,292,303,310,312,360,365,372 There also reported complications as the effects of treatment for head and neck lesions such as respiratory distress due to airway obstruction, 292,303,306,312,362,365,366 as well as nerve palsy. 288,292,312,360,…”