| Preliminary Study on the Evaluation of Olfactory Neuroblastoma Using PET/CT. | |
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MedLine Citation:
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PMID: 21892040 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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PURPOSE: : Because of paucity of data available regarding the utility of PET/CT in the diagnosis and staging of patients with olfactory neuroblastoma (ONB), we retrospectively analyzed the efficacy of PET/CT in 9 patients with ONB. MATERIALS AND METHODS: : Whole-body F-18 FDG PET/CT was performed in 7 patients with newly diagnosed ONB, as well as in 1 patient with recurrence and in 1 patient with remnant tumor. Regional C-11 choline (C-11 CHO) PET/CT was performed in 2 patients with negative F-18 FDG scans. The lesion with intense radiotracer uptake was suggested as positive for tumor and the results of PET/CT were compared with conventional staging examinations. RESULTS: : F-18 FDG PET/CT was positive in 7/9 (77.7%) patients with ONB. In 2 patients with negative F-18 FDG, the lesions were C-11CHO avid. Both the primary tumors and its invasions were clearly delineated by F-18 FDG or C-11 CHO PET/CT. SUVmax of F-18 FDG in the primary tumor was 6.37 ± 4.22 and did not correlate with lesion size (F-18 FDG/size: r = 0.097, P = 0.820). Whole-body F-18 FDG PET/CT detected parapharyngeal and cervical lymph node metastases in 2 patients, lung metastases in 1 patient, liver metastases in 1 patients, and bone metastases in 2 patients. PET/CT altered the stages of 3 of 9 patients with upstaging in 2 patients and downstaging in 1 patient. CONCLUSIONS: : PET/CT may be useful for the diagnosis and staging of ONB. |
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Authors:
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Hu-Bing Wu; Quan-Shi Wang; Jin-Mei Zhong; Wen-Lan Zhou; Hong-Sheng Li; Wang Qiao-Yu |
Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Clinical nuclear medicine Volume: 36 ISSN: 1536-0229 ISO Abbreviation: Clin Nucl Med Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-09-05 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7611109 Medline TA: Clin Nucl Med Country: United States |
Other Details:
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Languages: eng Pagination: 894-8 Citation Subset: IM |
Affiliation:
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From the NanFang PET Center, Nanfang Hospital, Southern Medical University, Guangzhou, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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