A PA view of the chest demonstrates right paratracheal (red arrow) and bilateral hilar (white arrows) lymphadenopathy. A CT scan (Figure 2) of the chest was then obtained to determine the extent ...

X-ray films of the chest, taken about 5 weeks after the onset of illness, revealed bilateral hilar and paratracheal lymphadenopathy, with a vague infiltrate in the medial base of the right lung.

Sarcoidosis is a systemic disease of unknown etiology. It is characterized by the presence of non-necrotizing granulomas distributed along the lymphatics in the peribronchovascular (axial ...