Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Effectiveness of Abdominal Ultrasonography for Improving the Prognosis of Pancreatic Cancer during Medical Checkup: A Single Center Retrospective Analysis

Version 1 : Received: 10 September 2022 / Approved: 16 September 2022 / Online: 16 September 2022 (08:08:33 CEST)

A peer-reviewed article of this Preprint also exists.

Yamaguchi, A.; Kato, N.; Sugata, S.; Hamada, T.; Furuya, N.; Mizumoto, T.; Tamaru, Y.; Kusunoki, R.; Kuwai, T.; Kouno, H.; Toyota, N.; Sudo, T.; Kuraoka, K.; Kohno, H. Effectiveness of Abdominal Ultrasonography for Improving the Prognosis of Pancreatic Cancer during Medical Checkup: A Single Center Retrospective Analysis. Diagnostics 2022, 12, 2913. Yamaguchi, A.; Kato, N.; Sugata, S.; Hamada, T.; Furuya, N.; Mizumoto, T.; Tamaru, Y.; Kusunoki, R.; Kuwai, T.; Kouno, H.; Toyota, N.; Sudo, T.; Kuraoka, K.; Kohno, H. Effectiveness of Abdominal Ultrasonography for Improving the Prognosis of Pancreatic Cancer during Medical Checkup: A Single Center Retrospective Analysis. Diagnostics 2022, 12, 2913.

Abstract

Recent advancements in surgical and anti-cancer therapies have provided significant hope of long survival in patients with pancreatic cancer (PC). To realize this hope, routine medical checkups of asymptomatic people should be performed to identify operable PCs. In this study, we evaluated the efficacy of medical checkups using abdominal ultrasonography (US). We retrospectively analyzed 374 patients with PC at our institute between 2010 and 2021. We divided these patients into several groups according to the diagnostic approach and compared their background and prognosis. These groups comprised PCs diagnosed through (a) symptoms, 242 cases; (b) US during medical checkup for asymptomatic individuals, 17; and other means. Of the 375 patients, 192 were men (51.3%), and the median age was 74 years (34–105). Tumors were located in the pancreatic tail in 67 patients (17.9%). Excision ratio and 5-year survival rate were significantly better in group (b) than in (a) (58.8% vs. 23.1%, P<0.01 and 42.2% vs. 9.4%, P<0.001, respectively). The prognosis of patients diagnosed using US during medical checkup was better than that of patients identified through symptomatic presentation of PC. US for asymptomatic individuals with PC might be useful for promoting better prognosis of PCs.

Keywords

pancreatic cancer (PC); abdominal ultrasonography (US); surveillance; prognosis; medical checkup; 5-year survival; cancer screening

Subject

Medicine and Pharmacology, Gastroenterology and Hepatology

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