The patient is a 59 year old man with a new diagnosis of interstitial lung disease. A chest CT scan identified a 2.3 cm solid right upper lobe mass with calcifications. Presumed granulomata were also identified. He is a non-smoker and denies weight loss, malaise, or productive cough. CT-guided fine needle aspiration was performed.

(Click each image to enlarge)

 FNA of lung lesion, Diff Quik at 10x
 FNA of lung lesion, Diff Quik at 10x

FNA of lung lesion, Diff Quik at 10x
FNA of lung lesion, Diff Quik at 10x

FNA of lung lesion, Diff Quik at 10x