A radiograph of an AP axial sacrum reveals that it is foresh…

A radiograph of an AP axial sacrum reveals that it is foreshortened, and the sacral foramina are not clearly seen. The patient was in an AP supine position, and the technologist angled the CR 10° cephalad.  What specific positioning error is present on this radiograph?

A radiograph of a lateral thoracic spine reveals that there…

A radiograph of a lateral thoracic spine reveals that there is excessive density along the posterior aspect of the spine. Even with good collimation, the scatter radiation reaching the IR obscures the spinous processes.  What can the technologist do to improve the visibility of the posterior structures of the spine?

A patient comes to radiology for a follow-up study of the ce…

A patient comes to radiology for a follow-up study of the cervical spine. The patient had spinal fusion between C5 and C6 performed 6 months earlier.  His physician wants to assess the cervical spine for anteroposterior mobility.  Which of the following projections would provide this assessment?