Diagnosticvalueof 18 F-FDGPET / CTinbenignandmalignantpancreaticlesions

doi:10.3969/j.issn.10073205.2016.04.015

Abstract

Abstract: [
Abstract ] Objective Toinvestigatethediagnosticvalueofpositronemissiontomography /
computedtomography ( PET / CT )
18 F-fluorodeoxyglucose ( 18 F-FDG )
indiagnosisofbenignand
malignantpancreaticlesions.Methods Retrospectiveanalysisfor53pancreaticpatientswith57
lesionswhohadbeenexaminedby
18 F-FDGPET
/ CTwasperformed.Theresultswereconfirmed
bypathology orfollow-up with clinicandimaging.Maximum standardized uptake values
(
SUVmax ) ofbenignand malignantpancreaticlesionswerecompared , andreceiveroperating
characteristic ( ROC ) curveofSUVmaxindiagnosisofmalignantpancreaticlesionswereanalyzed.
Thesensitivity , specificity , accuracy , positiveandnegativepredictivevalueof
18 F-FDGPET
/ CT
indiagnosisofbenignandmalignantpancreaticlesionswerecalculated.Results Therewere35
malignant ( 35 / 57 , 61.40% ) and22benign ( 22 / 57 , 38.60% ) in57pancreaticlesions.TheSUVmax ofmalignantandbenignpancreaticlesionswere3. 88±2.04and2. 09±0.94 , respectively ( t =
4.481 , P <0.01 ) .TheROCareaundercurveforSUVmaxindiagnosisofmalignantpancreatic
lesionswas0.872 ( 95% CI : 0. 771~0.973 , P <0.01 ) .WhentheSUVmaxwas2.42 , thesumof
thesensitivityandthespecificitywasmaximumof1.709.Thesensitivity , specificity , accuracy ,
positivepredictivevalueandnegativepredictivevalueof
18 F-FDG PET
/ CTin diagnosisof
malignantpancreaticlesionswere85.71% ( 30 / 35 )、 81.82% ( 18 / 22 )、 84.21% ( 48 / 57 )、 88.24%
(
30 / 34 )、 78.26% ( 18 / 23 ), respectively.Conclusion 18 F-FDG PET / CTisagoodtechniquein
diagnosisofbenignandmalignantpancreaticlesions.

Key words: pancreaticneoplasms , positron-emissiontomography , tomography, X-ray
computed

ZHENG Li-chun1, ZHANG Wen-jun1, OUYANG Xiang-liu2， LIU Gui-chao1, ZHANG Zhi-yong3, ZHANG Xiao-ming1*. Diagnosticvalueof 18 F-FDGPET / CTinbenignandmalignantpancreaticlesions[J]. Journal of Hebei Medical University, doi: 10.3969/j.issn.10073205.2016.04.015.

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Diagnosticvalueof 18 F-FDGPET / CTinbenignandmalignantpancreaticlesions

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