July 2014 Imaging Case of the Month

Michael B. Gotway, MD

Prasad M. Panse, MD

Department of Radiology

Mayo Clinic Arizona

Scottsdale, AZ

Clinical History: A 71-year-old Caucasian man presented for venous thromboembolism prophylaxis for a scheduled total right knee arthroplasty. His prior medical history was remarkable for anemia requiring transfusion of 4 units of blood 3 years prior to presentation, hypertension, prostatic hypertrophy, seasonal allergies, and glucose intolerance.

Frontal and lateral chest radiography (Figure 1) was performed.

Figure 1. Frontal (Panel A) and lateral (Panel B) chest radiography.

Which of the following statements regarding the chest radiograph is most accurate? (Click on the correct answer to proceed to the next panel)

1. The chest radiograph shows a circumscribed left lung mass
2. The chest radiograph shows a mediastinal mass
3. The chest radiograph shows bilateral symmetric linear and reticular opacities
4. The chest radiograph shows multifocal, bilateral consolidation
5. The chest radiograph shows numerous small nodules

Reference as: Gotway MB, Panse PM. July 2014 imaging case of the month. Southwest J Pulm Crit Care. 2014;9(1):15-24. doi: http://dx.doi.org/10.13175/swjpcc089-14 PDF