Cystic lymphangioma (CL) is a rare benign tumour, located most frequently in the posterior cervical triangle.1 Approximately 90% of these lesions are diagnosed before the age of two, and only a small number of cases are reported in adults.1,2 Most patients are asymptomatic, although compressive symptoms, such as dysphagia, difficulty in breathing or hoarseness may occur.1 Diagnosis is based on clinical findings, imaging methods and biopsy.1,3 Surgery is the treatment of choice.1,3

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