Case of the Month August 2017 Page 2

Which of the following is not a typical finding of sickle cell disease on a chest x-ray?

  1.  Upper lobe predominant opacities – Pulmonary opacities in sickle cell disease have preferential lower lobe involvement. These can represent pneumonia, atelectasis or infarct.

A chest x-ray obtained from the emergency department was normal. Given the patient’s history of DVT/PET, the following VQ scan was then obtained

What is the best explanation for the abnormal finding?

  1. Extensive pulmonary embolism in the right pulmonary artery
  2. Severe obstructive lung disease
  3. External compression of the right pulmonary artery
  4. Artifact

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