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Nodal staging of rectal cancer: high-resolution pelvic MRI versus ¹⁸F-FDGPET/CT

Title
Nodal staging of rectal cancer: high-resolution pelvic MRI versus ¹⁸F-FDGPET/CT
Authors
Dae Jung Kim;Joo Hee Kim;Jae-Joon Chung;Jeong-Sik Yu;Tae Joo Jeon;Young Hoon Ryu
Issue Date
2011
Journal Title
Journal of Computer Assisted Tomography
ISSN
0363-8715
Citation
Journal of Computer Assisted Tomography, Vol.35(5) : 531~534, 2011
Abstract
AIM: To compare high-resolution pelvic magnetic resonance imaging (MRI) with positron emission tomography (PET)/computed tomography (CT) for the preoperative assessment of nodal staging in rectal cancer. MATERIALS AND METHODS: Thirty patients who had surgery for rectal cancer were retrospectively enrolled during a 6-month period. Each patient underwent high-resolution pelvic MRI and PET/CT preoperatively within the same week. An experienced radiologist predicted nodal staging on MR, and an experienced nuclear medicine physician similarly predicted nodal staging on PET/CT. Their predictions were compared with pathologic staging results, retrospectively. RESULTS: The accuracies of nodal status prediction from MR and PET/CT were 83% and 70%, respectively. Magnetic resonance imaging had a sensitivity of 94% and a specificity of 67%, whereas PET/CT had a sensitivity of 61% and a specificity of 83%. A combination of MRI and PET/CT revealed a sensitivity of 94%, a specificity of 83%, and an accuracy of 90%. CONCLUSION: High-resolution pelvic MRI was more accurate than PET/CT for the prediction of regional nodal status. Magnetic resonance imaging had a high sensitivity and PET/CT had a high specificity for N staging in rectal cancer.
URI
http://ovidsp.ovid.com/ovidweb.cgi?T=JS&CSC=Y&NEWS=N&PAGE=fulltext&AN=00004728-201109000-00001&LSLINK=80&D=ovft

http://ir.ymlib.yonsei.ac.kr/handle/22282913/94111
DOI
10.1097/RCT.0b013e318225720f
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Nuclear Medicine
1. 연구논문 > 1. College of Medicine > Dept. of Radiology
Yonsei Authors
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