Thoracotomy of an asymptomatic, functional, posterior mediastinal paraganglioma: A case report

Figure 1 Chest-enhanced computed tomography image revealing a round, solid mass in the left posterior mediastinum, with low-density cystic lesions in the middle.

Figure 2 Pathology results. A: Routine hematoxylin and eosin staining; B-F: Immunohistochemical staining; B: Vimentin (+); C: CD56 (+); D: CgA Chromogranin A (+); E: Synaptophysin (+); F: CD34 (vessel+). Original magnification 200×.

Figure 3 The tumor had a clear border, incomplete capsule.

Figure 4 The gray-and-red section was soft, with a little capsule whose thickness was about 0. 1 cm, and the 2.5 cm-diameter pale-edged cystic degeneration in the central part.