PMC4276077_01
CT Scan showing a tumorous lesion affecting the upper anterior mediastinum (upper arrow). Luminal occupation of the superior vena cava is also shown (lower arrow).
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Images also showed signs compatible with a partial thrombosis of the brachiocephalic trunk (Fig. 1).
Microphotography of the neoplasm (Haematoxylin-Eosin, 10x and 40x), showing a tumour comprised of fusiform cells (2a) with an abundant cytoplasm, markedly pleomorphic nuclei and some atypical mitoses (2b).
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The lesion was resected along with the medial wall of the cava and a pericardium patch was used for its subsequent repair (Fig. 2).