123 I-MIBG SPECT/CT Reveals Solitary Dorsal Root Ganglion Metastasis From Neuroblastoma Mimicking Schwannoma on MRI.
case_report · Level V
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- Also identified by DOI 10.1097/RLU.0000000000006579.
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Abstract
A 6-year-old girl with high-risk neuroblastoma achieved a complete response following multimodal therapy. During routine post-therapeutic surveillance, 123 I-MIBG SPECT/CT revealed progressive focal tracer uptake within the right T8-T9 intervertebral foramen. Serial imaging demonstrated interval enlargement of the lesion. On contrast-enhanced MRI, the mass exhibited homogeneous hypointensity on T1-weighted images, hyperintensity on T2-weighted images, and intense, uniform enhancement after intravenous gadolinium administration. Radiologic assessment initially favored a schwannoma. Histopathologic examination of the resected specimen confirmed metastatic neuroblastoma involving the dorsal root ganglion.
Medical subject headings
- Neuroblastoma
- Ganglia, Spinal
- Magnetic Resonance Imaging
- 3-Iodobenzylguanidine
- Neurilemmoma
- Single Photon Emission Computed Tomography Computed Tomography