PMC4681980_01
Blanco-CT and FDG-PET/CT of the thorax showing a circular mass at the dorsal side of the left upper lobe with a diameter of 7.4 cm.
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Additional total body F-18-fluoro-positron emission tomography (FDG-PET)/computed tomography (CT) scan showed a solitary circular mass with a diameter of 7.4 cm at the dorsal side of the left upper lobe (Fig. 1).
Blanco-CT and FGD-PET/CT of the abdomen showing a solitary mass in the duodenum.
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There was also a circular process present in the duodenum (Fig. 2).
Microscopic images of the primary NSCLC (A) and the duodenal metastasis (B). H&E, 400X. A: solid fields of polymorfic epithelial cells with enlarged nucleoli and a large amount of eosinofilic cytoplasm consistent with NSCLC. B: solid fields of large polymorfic epithelial cells with enlarged eosinofilic nucleoli and a large amount of eosinofilic cytoplasm, consistent with primary NSCLC.
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Histopathological study of CT guided perthoracal needle biopsy of the tumoral process in the left upper lung showed a poorly differentiated adenocarcinoma (Fig. 3A). The histopathological outcomes of the duodenum biopsy matched the NSCLC (Fig. 3B).