Incidental Detection of Choroid Plexus Metastasis From Neuroblastoma Demonstrated by 68 Ga-DOTATATE PET/CT.

An 8-year-old girl with refractory high-risk neuroblastoma underwent 68 Ga-DOTATATE PET/CT to evaluate the feasibility of potential 177 Lu-DOTATATE therapy. The scan showed multiple foci of abnormal 68 Ga-DOTATATE accumulation in the bone region, indicating the presence of bone metastases. Unexpectedly, an abnormal tracer uptake was noted in the left lateral ventricle area. The contrast-enhanced brain MRI showed obvious enhancement of this lesion, suggesting the diagnosis of choroid plexus metastasis. Our case shows that 68 Ga-DOTATATE PET/CT might be useful in diagnosing choroid plexus metastasis.