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KMID : 1103720210820030638
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Journal of the Korean Society of Radiology
2021 Volume.82 No. 3 p.638 ~ p.653
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A Comparative Study of Survivor Outcomes between Preoperative Evaluation Using CT Alone and Combined CT and MRI in Patients with Pancreatic Ductal Adenocarcinoma
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Lee Ji-Eun
Kim Seong-Hyun
Lee Soon-Jin
Choi Seo-Youn
Lee Sun-Young
Lee Bo-Ra
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Abstract
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Purpose: To compare the recurrence pattern, disease-free survival (DFS), and overall survival (OS) after curative surgery for pancreatic ductal adenocarcinoma (PDAC) in patients who underwent preoperative evaluation with CT alone or in combination with MRI, and to compare the prognosis according to the first recurrence site.
Materials and Methods: We retrospectively evaluated 152 patients who underwent R0 resection of PDAC. Preoperative CT or combined CT and MRI were performed for 103 and 49 patients, respectively. Two radiologists recorded the location and date of the first recurrence in consensus. The recurrence pattern, DFS, and OS were compared between the two groups. OS was analyzed according to the first recurrence site.
Results: In both groups, liver metastasis was the most common recurrence pattern. DFS (p = 0.247) or OS (p = 0.067) showed no significant difference between the two groups. OS according to the first recurrence site was the lowest for liver metastasis, followed by locoregional recurrence (p < 0.001).
Conclusion: There were no significant differences in the recurrence pattern, DFS, or OS between patients evaluated with preoperative CT alone or with CT and MRI after curative resection of PDAC. Liver metastasis was the most common tumor recurrence pattern with the lowest OS.
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KEYWORD
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Carcinoma, Pancreatic Ductal, Prognosis, Survival Analysis, Magnetic Resonance Imaging, Tomography, X-Ray Computed
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