Streak, beam hardening and ring artifacts

Case contributed by Dr Saeed Soltany Hosn


CT scan was performed in this 70-year-old comatose, ICU patient for evaluation of aspiration pneumonia.

Patient Data

Age: 70
Gender: Male

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.

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Case information

rID: 21763
Published: 16th Feb 2013
Last edited: 16th Jul 2018
System: Chest
Inclusion in quiz mode: Included

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