Interobserver agreement of EUS elastography in the evaluation of solid pancreatic lesions

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Interobserver agreement of EUS elastography in the evaluation of solid pancreatic lesions

Soares, J. B. (författare)

Iglesias-Garcia, J. (författare)

Goncalves, B. (författare)

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Lindkvist, Björn (författare): Gothenburg University,Göteborgs universitet,Institutionen för medicin,Institute of Medicine

Larino-Noia, José (författare)

Bastos, P. (författare)

Caetano, A. C. (författare)

Ferreira, A. (författare)

Pimentel-Nunes, P. (författare)

Lopes, L. (författare)

Moutinho-Ribeiro, P. (författare)

Dominguez-Munoz, J. E. (författare)

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Medknow, 2015
2015
Engelska.
Ingår i: Endoscopic Ultrasound. - : Medknow. - 2303-9027. ; 4:3, s. 244-249

Relaterad länk:: https://europepmc.or...; visa fler...; https://gup.ub.gu.se...; https://doi.org/10.4...; visa färre...

Tidskriftsartikel (refereegranskat)

Abstract Ämnesord

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Background and Objectives: Previous reports assessing the reproducibility of endoscopic ultrasound elastography (EUS-E) in evaluation of solid pancreatic lesions (SPL) involved only experienced endosonographers. We aimed to assess the interobserver agreement (IOA) of EUS-E in the evaluation of SPL by endoscopists with different levels of experience in EUS and EUS-E. Materials and Methods: A cross-sectional observational multicenter study was designed and included 11 endoscopists who were divided into four groups: Group A (long experience in EUS and EUS-E); Group B (short experience in EUS and EUS-E); Group C (long experience in EUS and no experience in EUS-E); and Group D (no experience in EUS or EUS-E). The observers independently classified the patterns of 60 video sequences of EUS-E, after a 20-min training session. For each group, we calculated IOA (kappa statistic, k) of EUS-E and the diagnostic accuracy of EUS-E for pancreatic malignancy, by comparing the pattern of EUS-E indicative of malignancy (heterogeneous or homogenous blue) with the final diagnosis. Results: The overall IOA was moderate (k = 0.42; 95% confidence interval (CI) 0.33-0.52). The IOA of Group A (k = 0.80; 95% CI 0.65-1.00) was significantly higher than that of Groups B (k = 0.54; 95% CI 0.40-0.71), C (k = 0.54; 95% CI 0.39-0.68), and D (k = 0.28; 95% CI 0.14-0.40). IOA of Groups B and C was not significantly different, but it was significantly higher than that of Group D. The diagnostic accuracy of Group A (area under the curve under summary receiver operating characteristic (AUROC) = 0.83; 95% CI 0.75-0.90) was not significantly different from that of Group B (AUROC = 0.77; 95% CI 0.71-0.83), but it was significantly higher than that of Groups C (AUROC = 0.74; 95% CI 0.67-0.81) and D (AUROC = 0.74; 95% CI 0.67-0.81). No significant difference was seen between Groups B, C, and D for diagnostic accuracy. Conclusion: EUS-E is reproducible in the evaluation of SPL, even between endoscopists with no or limited experience in EUS and/or EUS-E. Reproducibility and diagnostic accuracy increase with experience in EUS and EUS-E.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Gastroenterologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Gastroenterology and Hepatology (hsv//eng)
MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Hematologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Hematology (hsv//eng)

Nyckelord

Diagnostic accuracy
endoscopic ultrasound elastography
interobserver agreement
reproducibility
ENDOSCOPIC ULTRASOUND ELASTOGRAPHY
DIFFERENTIAL-DIAGNOSIS
GUIDED FNA
MASSES
METAANALYSIS
MULTICENTER
CANCER
BIOPSY
BREAST
Gastroenterology & Hepatology

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Av författaren/redakt...: Soares, J. B.; Iglesias-Garcia, ...; Goncalves, B.; Lindkvist, Björn; Larino-Noia, Jos ...; Bastos, P.; visa fler...; Caetano, A. C.; Ferreira, A.; Pimentel-Nunes, ...; Lopes, L.; Moutinho-Ribeiro ...; Dominguez-Munoz, ...; visa färre...

Om ämnet

MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Gastroenterologi

MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Klinisk medicin; och Hematologi

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Av lärosätet: Göteborgs universitet

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