Presentation
ICU comatose patient for evaluation of aspiration pneumonia.
Patient Data
Age: 70 years
Gender: Male
From the case:
Streak, beam hardening and ring artifacts
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CT demonstrates dependent pulmonary parenchymal changes, cardiomegaly and gall stone.
You can see large amount of streak artifacts around the right shoulder due to the presence of metal objects in the scan field . There are also beam-hardening artifact from arm-down position and ring artifact.