PMC3985806_01
a A chest film revealed a large soft tissue density in the right upper lobe of the lung. b A subsequent chest computed tomography disclosed a large space-occupying lesion in the right upper lobe of the lung encasing the superior vena cava and the right pulmonary artery.
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F1
A subsequent chest computed tomography disclosed a large space-occupying lesion in the right upper lobe of the lung encasing the superior vena cava and the right pulmonary artery (fig. 1).
Suspicious lesion in the left adrenal area. a In November 2011, computed tomography disclosed a small, ill-defined tumor (1.8 x 1.4 cm) in the left adrenal area. b In May 2012, a remarkable enlargement of the previously suspected left adrenal tumor was noted (3.3 x 2.5 cm).
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F2
In November 2011, a follow-up chest computed tomography disclosed a small, ill-defined tumor (1.8 x 1.4 cm) in the left adrenal area (fig. 2a). However, the patient, who was free of symptoms, underwent a new chest computed tomography follow-up 6 months later (May 2012) and surprisingly a remarkable enlargement of the previously suspected left adrenal tumor was noted (3.3 x 2.5 cm) (fig. 2b).
Immunohistochemical stain was positive both for TTF-1 and CD-56. a Lung TTF-1 (x400). b Stomach TTF-1 (x400). c Lung CD-56 (x100). d Stomach CD-56 (x400).
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F3
The pathological analysis of the resected tumor revealed identical pictures as the primary lung lesion (immunohistochemical stain positive both for TTF-1 and CD-56) (fig. 3).