Carotid body tumour with lung metastases
Lung metastases
Frontal chest radiographCase Discussion:
MRI through the neck demonstrates a large mass on the left splaying the ICA and ECA. It is of high T2 signal with numerous punctate and serpignous regions of low signal due to flow voids (so called salt and pepper sign).
The post contrast T1 fat suppressed images demonstrate vivid enhancement again with flow voids.
Features are consistent with a carotid body tumour, in this case metastasising to the lungs.

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