A 52-year-old woman with a history of asthma presented to the
emergency department with chest pain and shortness of breath.
The patient had no smoking history and the rest of her medical
history was unremarkable. A CT scan of the chest using a
pulmonary angiography protocol was obtained to evaluate for
pulmonary embolism. CT axial lung (Figure 1) and soft tissue
(Figure 2) images demonstrate multiple peripheral pulmonary
nodules. Of note are the smooth borders of the nodules without
calcifications and the air bronchograms within the nodules in
the right middle lobe. A coronal CT image (Figure 3) also
demonstrates multiple smooth-bordered peripheral nodules, some
containing air bronchograms. Figure 4 demonstrates right hilar
adenopathy. Left hilar adenopathy was also observed (figure not
shown). Metastatic disease, lymphoma, septic emboli, rheumatoid
nodules, Wegener's granulomatosis, varicella infection, atypical
infections (mycobacterium avium complex, cytomegalovirus,
cryptococcus). Sarcoidosis is a multisy