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Clinical implication of FDG-PET in advanced gastric cancer with signet ring cell histology.

Title
 Clinical implication of FDG-PET in advanced gastric cancer with signet ring cell histology.
Authors
 Kyung Ho Pak; Mijin Yun; Sung Hoon Noh; Seung Ho Choi; Woo Jin Hyung; Jae-Ho Cheong
Issue Date
2011
Journal Title
 Journal of Surgical Oncology
ISSN
 0022-4790
Citation
 Journal of Surgical Oncology, Vol.104(6) : 566~570, 2011
Abstract
BACKGROUND AND OBJECTIVES: The purpose of this study was to investigate the role of the standardized uptake values (SUV), a semi-quantitative assessment of tumor FDG uptake, as a prognosticator for advanced signet ring cell carcinoma (SRC). METHODS: We reviewed the files of 41 patients who underwent curative gastrectomy for advanced SRC and who had an FDG-PET at initial presentation between September 2003 and December 2007. RESULTS: The median follow-up period was 30.9 months (range: 4.0-70.3). We found a correlation between the SUVmax and TNM stage. When the patients were divided into two groups (low vs. high SUVmax) based on a median SUVmax of 3.80, the high-SUVmax group showed more aggressive tumor behavior than did the low SUVmax group. In addition, the high SUVmax group showed more postoperative recurrence (P = 0.028), shorter relapse-free survival (P = 0.004), and lower 30-month cancer-specific survival rates (40.0% vs. 69.3%, P = 0.008). However, in multivariate analysis, SUVmax failed to be an independent predictor of overall survival. CONCLUSIONS: Although SUVmax of initial PET scan was not an independent predictor of patient outcomes after curative surgery, higher SUVmax is associated with more advanced stage and indicates more aggressive tumor biology in advanced SRC.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/94304
DOI
10.1002/jso.21997
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Surgery
1. 연구논문 > 1. College of Medicine > Dept. of Nuclear Medicine
Yonsei Authors
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Link
 http://onlinelibrary.wiley.com/doi/10.1002/jso.21997/abstract
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