纵隔淋巴管瘤是一种较少见的纵隔良性肿瘤。其形成可能与淋巴管,体静脉间的吻合异常及淋巴回流受阻有关,也有人认为可能来源于淋巴管原基于心包下降时带入胸内,分绷隔型及颈纵隔型。多见于成人(75％),分可见于1岁以下婴儿(5％)。本文将8例经手术病理证实淋巴管囊肿影像学资料作一回顾性分析。 Mediastinal lymphangioma is a rare type of mediastinal benign tumor. Its formation may be related to lymphatic vessels, venous anastomosis anomalies and obstruction of lymphatic flow is also related to some people think that may originate from the lymphatic vessels into the chest when the pericardial descent, divided into septum type and cervical mediastinal type. More common in adults (75%), can be seen in infants under 1 year old (5%). In this paper, 8 cases of lymphatic cyst confirmed by surgery and pathology imaging data for a retrospective analysis.