Lymphatic malformation (LM) is a congenital disorder resulting from an abnormal
development of lymphatic vessels. LM may result in problems of cosmesis and functional
impairment, including airway compression. An 11-year-old girl was referred to our
department with increasing dysphagia caused by a large left cervical LM with a long history
of treatment. Because of the LM location, surgical resection was not an option, and various
therapies, including use of picibanil, had proven ineffective. Celecoxib treatment (100 …