Kyobu geka. The Japanese journal of thoracic surgery
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There are relatively few paraesophageal bronchogenic and esophageal cysts in mediastinal tumors. It is often difficult to distinguish between these cysts. Case 1: 11 year old, male with no symptoms. ⋯ CT and MRI showed a well-defined cystic mass in the posterior mediastinum. The cyst bordered the esophagus, but there was no direct communication between them. The pathological findings showed the presence of a double layer of smooth muscle without cartilage which was diagnosed as an esophageal cyst.
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A 15-month-old girl, who was diagnosed asplenia, underwent Blalock-Taussig shunt using EPTFE tubular graft. Postoperatively, discharge containing high concentrations of protein continued to drain from pleural drainage. On the 23rd postoperative day, extirpation of seroma (4 x 3 x 3 cm) and wrapping of the graft using processed porcine pericardium were performed. ⋯ Pleural effusion persisted with decreasing quantity until the graft was obstructed. Ultimately on the 79th postoperative day, central shunt using Golaski tubular graft was successfully replaced. Thus, the occurrence of seroma should be borne in mind when EPTFE graft is used for shunt operation.