Correct!
2. The radiograph appears normal
No specific abnormalities are present. The interstitium and lung volumes appear normal, and no mediastinal contour abnormalities are seen. No pulmonary cysts are evident.).
Clinical Course: The patient did not improve on therapy for asthma. He later developed joint aches and was referred to a rheumatologist, who added oral corticosteroids to his asthma inhaler regimen. An elevated C-reactive protein and erythrocyte sedimentation rate were noted, but C-ANCA, ANA, and ds-DNA antibodies were negative. The patient subsequently underwent thoracic CT (Figures 2-4) for further symptom investigation.
Figure 2: Inspiratory thoracic CT still images in an intermediate window (Click here for a movie of the CT scan)
Figure 3. Representative images from expiratory axial thoracic CT in lung window. (Click here for a movie of the CT scan)
Figure 4. Inspiratory coronal reformatted image in an intermediate window.
Regarding the thoracic CT findings, which of the following is most accurate?
