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Interobserver agreement of computed tomography reporting standards for chronic pancreatitis

  • Pancreas
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Abdominal Radiology Aims and scope Submit manuscript

Abstract

Aim

To assess the interobserver agreement of computed tomography (CT) reporting standards for chronic pancreatitis (CP).

Subjects and methods

Retrospective analysis of CT of 47 patients (33 males and 11 females, age range 36 to 56 years) with CP who presented with abdominal pain (n = 41), steatorrhea (n = 37), and glucose intolerance (n = 31). The patients underwent CT study using a 16-multidetector CT scanner with a pancreatic protocol including a nonenhanced scan followed by pancreatic phase at 35 s and portal venous phase at 65 s after intravenous injection of nonionic contrast medium. Image analysis was performed by two radiologists according to reporting standards for CP.

Results

There was excellent interobserver agreement (84.8 %) between the two reviewers in CT reporting standards for CP (K = 0.80, 95 % CI 0.75–0.85, P = 0.001). There was good interobserver agreement for pancreatic duct (PD) caliber (K = 0.71, 95 % CI 0.56–0.87, P = 0.001), PD contour (K = 0.76, 95 % CI 0.61–0.91, P = 0.001), PD stricture (K = 0.070, 95 % CI 0.53–0.88, P = 0.001), and distribution of findings (K = 0.69, 95 % CI 0.51–0.86, P = 0.001). There was excellent interobserver agreement for intraductal calculi (K = 0.84, 95 % CI 0.68–0.98, P = 0.001), pancreatic calcifications (K = 0.86, 95 % CI 0.84–0.98, P = 0.001), and pancreatic diameter (K = 0.87, 95 % CI 0.75–0.99, P = 0.001).

Conclusion

CT reporting standards for CP is a reliable method for diagnosis of patients with CP.

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Abbreviations

CP:

Chronic pancreatitis

PD:

Pancreatic duct

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Authors and Affiliations

  1. Diagnostic Radiology Department, Mansoura Faculty of Medicine, Mansoura University, Elgomheryia Street, Mansoura, 3512, Egypt

    Ahmed Abdel Khalek Abdel Razek

  2. Diagnostic Radiology Department, Ahmadi Hospital (KOC), Al-Ahmadi, Kuwait

    Elsayed Elfar & Shefeek Abubacker

Authors
  1. Ahmed Abdel Khalek Abdel Razek
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  2. Elsayed Elfar
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  3. Shefeek Abubacker
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Correspondence to Ahmed Abdel Khalek Abdel Razek.

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All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

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Razek, A.A.K.A., Elfar, E. & Abubacker, S. Interobserver agreement of computed tomography reporting standards for chronic pancreatitis. Abdom Radiol 44, 2459–2465 (2019). https://doi.org/10.1007/s00261-019-01979-4

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