PMC3785357_01
CT-scan of the chest showing a well-circumscribed mass in the right lung basis (arrow).
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A rounded peripheral well-defined nodule, 1.23 cm in diameter, was detected in the right lung basis (Fig. 1).
PET scan demonstrating a focus of intense FDG activity (arrows) in the right lung basis.
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To rule out malignancy he underwent a 18-fluorodesoxiglucose positron emission tomography (FDG-PET) scan which showed intense focal uptake in the nodule with a degree of activity highly suspicious of neoplastic origin (Fig. 2A and 2B).
Inflammatory infiltrate with lymphocytes, macrophages, giant cells and numerous round cryptoccoci (arrows).
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The procedure was performed without complications and resection specimen was collected and sent for pathologic analysis (Fig. 3) and a diagnosis of pulmonary cryptococcosis was made.