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Quantitative study of radioiodinated metaiodobenzylguanidine uptake in children with neuroblastoma: Correlation with tumor histopathology

Journal Article · · J. Nucl. Med.; (United States)
OSTI ID:5820925
Six children with neuroblastoma and one with ganglioneuroma received (/sup 125/I) metaiodobenzylguanidine (MIBG) before major surgery. Uptake of (/sup 125/I)MIBG in the excised tissues was measured by scintillation counting, and the material was submitted for histopathology. The ranges of uptake of (/sup 125/I)MIBG, expressed as percent of the injected dose per gram of tissue, were as follows: for neuroblastoma 0.0013-0.071, for ganglioneuroma 0.0017-0.0028, and for non-neoplastic control tissues 0.0002-0.011. The quantitative uptake of (/sup 125/I)MIBG by neuroblastoma varied between different patients and between different parts of individual tumors. The more undifferentiated tumors took up more (/sup 125/I)MIBG and may be more likely to respond to targeted radiotherapy with MIBG.
Research Organization:
Royal Marsden Hospital, Sutton, Surrey (England)
OSTI ID:
5820925
Journal Information:
J. Nucl. Med.; (United States), Journal Name: J. Nucl. Med.; (United States) Vol. 30:4; ISSN JNMEA
Country of Publication:
United States
Language:
English