1. Volume 148, Issue 2, Pages e42-e47 (August 2015)
A 72-Year-Old Woman With Previous Pulmonary Metastasis and New Peripheral Nodule 
Giovanni Maria Comacchio, MD, Chiara Giraudo, MD, Nazarena Nannini, MD, Alessandro Rebusso, MD, Roberta Polverosi, MD, Federico Rea, MD, Fiorella Calabrese, MD 
CHEST 
Volume 148, Issue 2, Pages e42-e47 (August 2015)
DOI: /chest
Copyright © 2015 The American College of Chest Physicians Terms and Conditions

2. Figure 1
A and B, Chest CT scan showing the well-circumscribed subpleural nodule in the posterior segment of the right lower lobe. A, Axial image. B, Coronal image. C, Axial postcontrast chest CT scan (mediastinal window) and magnification of the nodule (C1) demonstrating the absence of contrast enhancement and the central low-attenuation area (arrows). D, Images from PET-CT scan demonstrating the absence of pathologic uptake of the solitary pulmonary nodule (from right to left and top to bottom: axial thoracic CT scan, PET scan, PET-CT scan fusion, and PET scan into coronal plane).
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3. Figure 2
Histology. A, Panoramic view of the nodule (diameter maximum 1 cm) with slight pleural indentation (hematoxylin and eosin [H&E], original magnification X 3). B, At high magnification, the nodule shows coagulative necrosis with a rim of granulation tissue and lymphomonocyte infiltration with follicular pattern (H&E, original magnification X 25). C, Elastic Van Gieson stain shows arterial wall (arrow) (original magnification X 20). D, Periodic acid-Schiff stain highlights strongly degenerating worm fragments (arrows) (original magnification X 20).
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Copyright © 2015 The American College of Chest Physicians Terms and Conditions

4. Figure 3 Life cycle of Dirofilaria.
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Copyright © 2015 The American College of Chest Physicians Terms and Conditions