There is also the rare possibility that once present, they may spontaneously regress. Masses noted at the neonatal period are frequently very large. Interference with normal breathing or swallowing is not uncommon. These symptoms are more prevalent in neonates. Dyspnea and dysphagia are caused by mass compression on the airway or esophagus, enlargement of the tongue, elevation of the floor of mouth, or involvement of the oropharynx or larynx.
Respiratory obstruction is the second most common associated symptom, especially in newborns.
These lesions are also vulnerable to infection. Computed tomography or magnetic resonance imaging are helpful in delineating the involvement of neighboring structures. The diagnosis is clinical and usually obvious. Surgical excision is the most accepted treatment. Other mentioned modes of therapy include aspiration, incision and drainage, injection of sclerosing agents and radiotherapy.