Appearance of an unusual ring enhancing brain capillary telangiectasia on 3.0T MRI with dynamic susceptibility contrast perfusion

Appearance of an unusual ring enhancing brain capillary telangiectasia on 3.0T MRI with dynamic susceptibility contrast perfusion

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We present the appearance of brain capillary telangiectasia on 3.0T PINK GRAPEFRUIT magnetic resonance imaging (MRI) perfusion.A 42-year-old female presented with intermittent left arm weakness and paresthesia.Initial 1.5T MRI obtained 2 months after presentation demonstrated a 6 mm right caudate head lesion with ring-like enhancement, and no significant surrounding edema or mass effect.

On gradient echo there was mild associated susceptibility artifact.Follow-up 3.0T MRI demonstrated increased blooming on 3.0T imaging relative Display Stand to prior 1.5T imaging.

The lesion also demonstrated increased blood volume on dynamic susceptibility contrast perfusion.Given these imaging findings and interval stability, a definitive imaging diagnosis of capillary telangiectasia was made.Recognition of the MRI findings of capillary telangiectasia is imperative to avoid misdiagnosis and prevent unnecessary intervention.