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Bright dot sign - atypical liver haemangioma

The bright dot sign refers to presence of a bright dot within a lesion which remains hyper-attenuating on arterial and portal venous phase CT, corresponding to early nodular enhancement seen on dynamic MRI of liver haemangioma

This can be used as an indicator that the lesion in question is a haemangioma (and not a metastasis). Dynamic MRI should be confirmatory.

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