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PCD-CT Versus EID-CT in Imaging of Pancreatic Ductal Adenocarcinoma: A Prospective Comparative Pilot Study
Linköping University, Department of Biomedical and Clinical Sciences, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Clinical pathology.ORCID iD: 0000-0002-9845-1410
Linköping University, Department of Health, Medicine and Caring Sciences, Division of Diagnostics and Specialist Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Medical radiation physics. Linköping University, Center for Medical Image Science and Visualization (CMIV).ORCID iD: 0000-0002-8387-0583
Linköping University, Department of Biomedical and Clinical Sciences, Division of Surgery, Orthopedics and Oncology. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Surgery, Orthopaedics and Cancer Treatment, Department of Surgery in Linköping. Linköping University, Center for Medical Image Science and Visualization (CMIV).ORCID iD: 0000-0001-9704-1260
Linköping University, Department of Health, Medicine and Caring Sciences, Division of Diagnostics and Specialist Medicine. Linköping University, Faculty of Medicine and Health Sciences. Region Östergötland, Center for Diagnostics, Department of Radiology in Linköping. Linköping University, Center for Medical Image Science and Visualization (CMIV).ORCID iD: 0000-0002-6897-2717
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2025 (English)In: Anticancer Research, ISSN 0250-7005, E-ISSN 1791-7530, Vol. 45, no 4, p. 1547-1558Article in journal (Refereed) Published
Abstract [en]

Background/Aim: Photon-counting detector computerised tomography (PCD-CT) is a novel imaging technique that may be beneficial in diagnostics and follow-up of pancreatic ductal adenocarcinoma (PDAC). Patients and Methods: A prospective pilot including eight patients with confirmed PDAC was designed. Patients underwent conventional energy integrating detector CT (EID-CT) and PCD-CT, and corresponding arterial and venous phase images were compared in quantitative and qualitative manners. Five independent and method blinded reviewers scored each intra-individual pair of images. Results: Quantitative assessment showed an advantage favouring PCD-CT in terms of signal to noise ratio (SNR) in aortic, pancreatic, and PDAC tissue (p=0.003, 0.001, and 0.040, respectively). There was a non-significant tendency towards better edge sharpness in the PCD-CT images. Qualitative assessments of image quality revealed minor differences in some aspects of arterial phase, favouring the conventional EID-CT, however no statistically significant differences in terms of overall or venous phase parameters between the methods were evident. Conclusion: PCD-CT offers a novel method with potential benefits in imaging of pancreatic tumours. Further development of the protocol, including optimisation and validation in larger cohorts of patients, are necessary to define a potential role of PCD-CT in the management of PDAC.

Place, publisher, year, edition, pages
INT INST ANTICANCER RESEARCH , 2025. Vol. 45, no 4, p. 1547-1558
Keywords [en]
CT; photon-counting detector; image quality; pancreatic cancer; PCD-CT; EID-CT
National Category
Radiology and Medical Imaging
Identifiers
URN: urn:nbn:se:liu:diva-213178DOI: 10.21873/anticanres.17536ISI: 001463435100008PubMedID: 40155015Scopus ID: 2-s2.0-105001538979OAI: oai:DiVA.org:liu-213178DiVA, id: diva2:1953989
Note

Funding Agencies|Region Ostergotland [RO-975579, RO-991208, RO-995876]

Available from: 2025-04-23 Created: 2025-04-23 Last updated: 2025-04-23

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Blomstrand, HakonTesselaar, ErikBjörnsson, BergthorBartholomä, WolfBjerner, TomasSandborg, MichaelElander, NilsWoisetschläger, Mischa
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Division of Surgery, Orthopedics and OncologyFaculty of Medicine and Health SciencesClinical pathologyDivision of Diagnostics and Specialist MedicineMedical radiation physicsCenter for Medical Image Science and Visualization (CMIV)Department of Surgery in LinköpingDepartment of Radiology in LinköpingDepartment of Oncology
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