PMC3851145_01
Histological features of the primary pulmonary fibrosarcoma showing a momorphous population of small and undifferentiated spindle cells (Haematoxylin Eosin 430X).
1471-2482-13-S2-S34-2.jpg
PMC3851145_01_1471-2482-13-S2-S34-2.jpg
F2
A repeated CT scan performed three days after the procedure, confirmed the presence of area of consolidation in lower left lobe and the presence of an hilar nodule (size 3 mm) not been reported before (Figure 1).
Immunohistochemical features of the primary pulmonary fibrosarcoma showing diffuse positivity for Vimentin (APAAP 430X).
1471-2482-13-S2-S34-3.jpg
PMC3851145_01_1471-2482-13-S2-S34-3.jpg
F3
The final diagnosis of the tumor was primary fibrosarcoma of the lung according to the pathological and immunostaining results as reported in Figures 2.