Document Detail


Bone and soft-tissue sarcoma: preoperative staging with fluorine 18 fluorodeoxyglucose PET/CT and conventional imaging.
MedLine Citation:
PMID:  18024454     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
PURPOSE: To retrospectively compare the diagnostic accuracy of positron emission tomography (PET)/computed tomography (CT), PET, conventional imaging, and combined PET/CT and conventional imaging for tumor staging of bone and soft-tissue sarcomas, by using histologic or follow-up imaging findings as the reference standard. MATERIALS AND METHODS: Institutional review board approval was received for this HIPAA-compliant study; informed consent was obtained. Integrated PET/CT was performed in 117 patients (69 male patients, 48 female patients; mean age, 42 years +/- 21 [standard deviation]; range, 9-86 years). Conventional imaging consisted of magnetic resonance imaging of the primary site, chest radiography, whole-body contrast material-enhanced CT, and bone scintigraphy. A total of four reviewers assessed all images. Overall and T staging were evaluated in 69 (59%) patients who underwent surgical removal of the primary tumors and had pathologically proved results. N and M staging were evaluated in all patients, and their reference methods were based on histologic findings (n = 101) and follow-up CT findings (n = 16). RESULTS: Interpretations based on combined PET/CT and conventional imaging findings correctly staged tumors in 60 (87%) of 69 patients, overstaged tumors in eight (12%) patients, and understaged tumors in one (1%) patient. Overall staging accuracy of combined PET/CT and conventional imaging was significantly higher than that at PET (P < .0001). Combined PET/CT and conventional imaging resulted in correct N staging in 114 (97%) of 117 patients and M staging in 109 (93%) of 117 patients. Combined PET/CT and conventional imaging helped reduce overstaging in three (4%) patients and helped change tumor diagnosis from unresectable to resectable in two (2%) patients compared with PET/CT. CONCLUSION: The combination of PET/CT and conventional imaging is accurate in preoperative staging of bone and soft-tissue sarcoma.
Authors:
Ukihide Tateishi; Umio Yamaguchi; Kunihiko Seki; Takashi Terauchi; Yasuaki Arai; E Edmund Kim
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Radiology     Volume:  245     ISSN:  1527-1315     ISO Abbreviation:  Radiology     Publication Date:  2007 Dec 
Date Detail:
Created Date:  2007-11-20     Completed Date:  2007-12-27     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  0401260     Medline TA:  Radiology     Country:  United States    
Other Details:
Languages:  eng     Pagination:  839-47     Citation Subset:  AIM; IM    
Copyright Information:
(c) RSNA, 2007.
Affiliation:
Division of Diagnostic Radiology, National Cancer Center Hospital, Tokyo, Japan. utateish@ncc.go.jp
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Aged, 80 and over
Bone Neoplasms / diagnosis*
Child
Female
Fluorodeoxyglucose F18 / diagnostic use*
Humans
Male
Middle Aged
Neoplasm Staging
Positron-Emission Tomography*
Preoperative Care
Radiopharmaceuticals / diagnostic use*
Retrospective Studies
Sarcoma / diagnosis*,  pathology*
Soft Tissue Neoplasms / diagnosis*
Tomography, X-Ray Computed*
Chemical
Reg. No./Substance:
0/Radiopharmaceuticals; 63503-12-8/Fluorodeoxyglucose F18

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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