Pleomorphic lipoma in the anterior mediastinum: A case report

Figure 1 Chest computed tomography. A: Calcification was observed around some nodules; B: A fat-dense shadow could be seen in the anterior mediastinum. There was no enhancement observed by the enhanced computed tomography scan; C: Multiple variably sized fat-dense nodules.

Figure 2 Pathology examination. A: Intratumoral ossification; B: Atypical nuclei in the tumor; C: A small number of thick-walled blood vessels; D: Floret-like giant cells in the tumor; E: Spindle cells with mild nuclear atypia; F: Thick-walled vessels were observed; G: Immunohistochemical analysis for CD34 (+); H: Immunohistochemical analysis for vimentin (+). Magnification, ×400.

Figure 3 The tumor and cut surface. A: Poorly defined border between the tumor and pericardium; B: Multiple tumors in the anterior mediastinum; C: Cut surface was grayish yellow.