PMC7384507_01
Chest radiograph showing left mediastinal mass causing deviated trachea.
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Chest radiograph showed mass over the left mediastinum pushing trachea to the right (Figure 1).
Axial and coronal view CECT thorax of the patient showing left mediastinal mass causing tracheal deviation.
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Subsequently, contrast-enhanced computed tomography neck performd showed features of enlarged mediastinal necrotic nodes with likely metastatic multiple liver and lung lesions (Figure 2).
The tumour tissue shows neoplastic cells arranged in sheets. These cells are markedly pleomorphic with large, irregular vesicular nuclei and prominent large nucleoli. (H&E stain, 400x magnification).
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Sprinkles of mature lymphocytes were seen in some areas (Figure 3).
The tumour cells are diffusely positive for vimentin. (H&E stain, 100x magnification).
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CKAE 1&3 and vimentin. CD 99 was also positive, however the latter is a nonspecific marker (Figures 4 and 5).