2005 Volume 19 Issue 5 Pages 651-655
A 47-year-old man who had been given a diagnosedis of with myotonic dystrophy was admitted to our hospital because of the presence of dyspnea and facial edema. Chest X-ray filrm showed a mediastinal mass shadow at the mediastinumin the right lung field, and chest CT revealed a cystic mediastinalcystic lesion in the mediastinum mass, suspected to be a benign mediastinaltumorpericardial cyst. PA percutaneous drainage guided by CT was performused and about 100ml of fluid was removevacuated. Cytological analysis of the fluid showexhibited no malignant cells. After drainage, thehis symptoms was improved, but in several days, the symptoms appeared again and the size of the mediastinal masscyst returned to the same as beforeinitial size. We suggestoffereded a thoraocoscopic thoracoscopic operation forto the patient, but the patient rejected the operation because of the high risk of respiratory failure due to myotonic dystrophy. Therefore, So we decided on ethanol injection therapy into for the cystic mediastinal cysttumor as a less invasive treatment. After treatment, the mediastinal cyst tumor disappeared duringover 4 weeks. The pPatient isdied of another disease, but the patient showed no recurrence after ethanol injection treatment. alive without any evidence ofrecurrence. Percutaneous ethanol injection therapy couldan be one of thean effective treatments for mediastinal cystbenign cystic mediastinaltumor.
