The present study reports a case of percutaneous sclerotherapy of a giant mediastinal cystic lymphangioma using Ethibloc1 (Ethicon, Norderstedt, Germany) and absolute ethanol in a 59-yr-old female.The tumour, situated predominantly in a retrocardiac location, caused dyspnoea and dysphagia by compression and was considered unresectable. Follow-up computed tomography 3 yrs after treatment showed a 90% volume reduction of the tumour. The patient is currently asymptomatic.To the best of the present authors' knowledge, percutaneous transthoracic sclerotherapy of a mediastinal lymphangioma has not previously been reported in the literature available in English.
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