A 3-year-old boy with high-risk neuroblastoma underwent 123I-MIBG scan to evaluate the disease status after surgery and chemotherapy. 123I-MIBG SPECT/CT demonstrated liver metastasis. In addition, mildly increased uptake in the inferior left erector spinae was noted. Contrast-enhanced CT suggested intramuscular hemangioma. The 123I-MIBG accumulation in the intramuscular hemangioma persisted during the follow-up scan, whereas the abnormal activity in the liver was resolved.
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