Presentation
CXR performed as part of sepsis workup.
Patient Data
Age: 75 years
Gender: Male
From the case:
Prostate bone metastases
Frontal

Lungs and pleural spaces clear. Normal cardiomediastinal contour.
Density projects adjacent to the right paratracheal stripe, over the right sixth rib head.
From the case:
Prostate bone metastases
Coronal bone window

Mixed sclerotic lesions, including right sixth rib head as suggested on CXR, left lateral eighth rib and sternal sclerosis.
From the case:
Prostate bone metastases
Bone scan

Extensive multifocal tracer uptake including sternum, right sixth rib, left sacrum and femoral necks.
Case Discussion
On investigation, the patient's PSA was elevated and a diagnosis of metastatic prostate cancer was made.
When thinking about posterior mediastinal masses in an exam situation, don't forget the bones!