Giant cystic hemolymphangioma of the postmediastinum

Hemolymphangioma of the postmediastinum is very rare. The clinical features and treatment have not been clearly described. We present a case of giant cystic hemolymphangioma of the postmediastinum. A chest roentgenogram revealed an abnormal shadow of the postmediastinum. Computed tomography (CT) of the chest revealed a mediastinal tumor identified a giant non-invasive monomorphic cystic mass, in contact with the tracheal wall, arcus aortae and subclavian artery. The mass had regular borders and spontaneous low density, was homogeneous, and showed no enhancement after administration of contrast medium. Partial excision of the mass was achieved through left thorascopic exploration, Frozen section margin examination suggests hemolymphangioma, which is a benign tumor. Immobilization the surface of remained cyst wall with sclerosing agents. The pathology report was of a hemolymphangioma.