Magnetic susceptibility artifact

Case contributed by Dr Prashant Mudgal

There is a large magnetic susceptibility artifact resulting in distortion and non-visualization of left anterior quadrant.

Case Discussion

Magnetic susceptibility artifact results from local magnetic field inhomogenecities. On examination it is revealed that the patient had applied some skin ointment (in the particular region of artifact) for a local skin lesion.

Some skin ointments contain cobalt and ferrous ions to reduce cutaneous photosensitivity. Both cobalt and ferrous ions are strong ferromagnetic material and known to cause susceptibility artifacts especially on SWI sequence.

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Case information

rID: 27323
Case created: 29th Jan 2014
Last edited: 8th Dec 2015
Tag: pm
Inclusion in quiz mode: Included

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