一位五十六歲的健康女性,因為兩天來胸閣、咳嗽、吞嚥困難而來到急診。胸部 X 光片表現出上縱膈腔變寬,並且電腦斷層掃瞄上可以看到一個囊狀的腫瘤位於上後縱膈腔,食道攝影顯示出食道明顯被壓迫。依據臨床症狀及影像學上發現,診斷為支氣管性或神經消化管性囊腫。後來,她接受左側開胸手術切除腫瘤,術後的病理報告證實為縱膈腔的囊狀淋巴管瘤;很不幸的,術後併發乳糜胸,並以保守治療而康復出院。有關術前鑑別診斷及術中注意事項在此提出討論。
A healthy 56-year-old woman presented to the emergency room with a two-day history of chest tightness, nonproductive cough, and intermittent dysphagia. A widening upper mediastinum was seen on a routine chest roentgenogram and subsequent computed tomography identified a cystic lesion located in the supero-posterior portion of the mediastinum and an esophagogram showed tumor compression on the esophagus. On the basis of a working diagnosis of either a bronchogenic cyst or neuroenteric cyst, a left sided thoracotomy was performed to excise the tumor completely. After surgery, histological examination led to a diagnosis of mediastinal cystic lymphangioma. Unfortunately, a postoperative chylothorax occurred, but resolved with conservative treatment. The case is presented and the literature reviewed.