Pictorial review of the clinical applications of MIBG in neuroblastoma: current practices
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PICTORIAL ESSAY
Pictorial review of the clinical applications of MIBG in neuroblastoma: current practices Hedieh Khalatbari1 · Barry L. Shulkin2 · Marguerite T. Parisi1,3 Received: 9 June 2020 / Accepted: 18 September 2020 © Italian Association of Nuclear Medicine and Molecular Imaging 2020
Abstract Purpose Neuroblastoma is the most common extra-cranial solid tumor in pediatrics. The objective of this manuscript is to present an image-rich review of the presentation, diagnosis, staging and response assessment in individuals with neuroblastoma with special attention to the role of I-123 mIBG (meta-iodobenzylguanidine). Methods A literature search was performed in the PubMed and Scopus databases to identity articles published between 1980 and March 2020 regarding different aspects of neuroblastoma (presentation, diagnosis, pathologic classification, staging, and response monitoring). Different combinations of search terms were used including “neuroblastoma”, “presentation”, “diagnosis”, “staging”, “imaging”, “pathology”, “MIBG”, “FDG”, “norepinephrine transporter”, and “18F DOPA”. The references of the resultant articles were also used to identify additional manuscripts. Results A total of 101 key articles were identified that discussed the spectrum of presentation, diagnosis, staging and response assessment in individuals with neuroblastoma. These articles form the basis of this manuscript. Conclusion Iodine-123-labeled meta-iodobenzylguanidine (mIBG) is the cornerstone of functional imaging for staging, therapeutic response monitoring, prognostication, and the detection of recurrence in patients with neuroblastoma. MIBG images are interpreted both qualitatively and semiquantitatively. The International Neuroblastoma Risk Group Staging System and the International Neuroblastoma Staging System are used to stage the disease extent before and after surgical resection, respectively. The Revised International Neuroblastoma Response Criteria, updated in 2017, stratify the treatment response based on findings on functional (with mIBG or if mIBG non-avid with [18F]-fluorodeoxyglucose) and anatomical (computed tomography or magnetic resonance) imaging and bone marrow aspirates. Keywords Neuroblastoma · MIBG · Pediatrics · Oncology · Imaging
Introduction * Barry L. Shulkin [email protected] Hedieh Khalatbari [email protected] Marguerite T. Parisi [email protected] 1
Department of Radiology, Seattle Children’s Hospital, University of Washington School of Medicine, 4800 Sand Point Way NE, Seattle, WA 98105, USA
2
Department of Diagnostic Imaging, St. Jude Children’s Research Hospital, 262 Danny Thomas Place, Mail Stop 220, Memphis, TN 38105, USA
3
Department of Pediatrics, Seattle Children’s Hospital, University of Washington School of Medicine, 4800 Sand Point Way NE, Seattle, WA 98105, USA
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