PMC3160144_01
Flow volume loop.
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fig1
DLCO was in the normal range (Figure 1). 
The chest radiography (a, b) and a computed tomography of the chest (performed with iodine intravenous contrast medium) (c, d) showed the presence of multiple bilateral pulmonary nodules.
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fig2
18F-fluorodeoxyglucose positron emission tomography, all these nodules were not showing any uptake of the tracer.
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fig3
(a) Neoplastic nodule showing increased number of cells at the periphery with an eosinophilic stroma (H/E, 100x magnification). (b) The neoplastic cells are of polygonal shape and eosinophilic with round nuclei and uniform small to moderately sized nucleoli. (H/E, 200x magnification). (c) Immunoperoxidase staining for CD34 of the neoplastic cells (brown colour) (200x magnification). (d) Immunoperoxidase staining for CD31 of the neoplastic cells (brown colour) (200x magnification).
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fig4