Sakamoto K, Kase M, Mo M, Kurata H
Department of Thoracic Surgery, Yokohama Municipal Citizen's Hospital, Japan.
Kyobu Geka. 2000 Jan;53(1):74-7.
Mature teratomas occasionally rupture into adjacent organs such as lung, bronchus, mediastinum and pericardial sac. However, perforation into the pericardial sac is rare. We experienced a case of mediastinal mature teratoma perforated into the pericardial sac. A 16-year-old man was admitted to our hospital due to sudden severe anterior chest pain. Chest X-ray showed a mass shadow in the right middle lung field. Chest CT scan and MRI demonstrated a heterogeneous mass with fat component in the right anterior mediastium adjacent to the pericardium. Some squamous cells were obtained from the mass by CT guided percutaneous needle biopsy. Operation was performed with the diagnosis of mediastinal teratoma. The mass adhered to the pericardium and turbid pericardial effusion was noted. The mass was removed with the pericardium. The mass was 9 x 6.5 x 6 cm in size, which contained yellow sebaceous material and a tuft of white hair. The pathological diagnosis of the mass was mature cystic teratoma with perforation into the pericardial sac.
成熟畸胎瘤偶尔会破裂进入相邻器官，如肺、支气管、纵隔和心包腔。然而，穿破进入心包腔的情况罕见。我们遇到一例纵隔成熟畸胎瘤穿破进入心包腔的病例。一名16岁男性因突发严重胸痛入院。胸部X线显示右中肺野有肿块阴影。胸部CT扫描和MRI显示右前纵隔靠近心包处有一个含有脂肪成分的不均匀肿块。通过CT引导下经皮穿刺针活检从肿块中获取了一些鳞状细胞。诊断为纵隔畸胎瘤后进行了手术。肿块与心包粘连，可见心包积液浑浊。连同心包一起切除了肿块。肿块大小为9×6.5×6厘米，内含黄色皮脂样物质和一束白色毛发。肿块的病理诊断为成熟囊性畸胎瘤伴穿破进入心包腔。
