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Follow-up result afters negative findings on unenhanced hepatic MR Imaging for hepatic metastasis from rectal cancer

 Joon Seok Lim  ;  Myeong-jin Kim  ;  Ki Whang Kim  ;  Won Ho Kim  ;  Young Taik Oh  ;  Joo Hee Kim  ;  Jin-sub Choi  ;  Nam Kyu Kim  ;  Kang Young Lee 
 KOREAN JOURNAL OF RADIOLOGY, Vol.5(4) : 225-230, 2004 
Journal Title
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Objective To assess the follow-up results after negative findings on unenhanced hepatic MR imaging in rectal cancer patients who have undergone locally curative surgery. Materials and Methods From all pertinent imaging reports and medical records, we selected 255 patients who had negative results on unenhanced hepatic MR imaging. When selecting patients who had undergone curative resection, the following patients were excluded from the study: 1) patients in whom extrahepatic metastases were detected on preoperative staging work-ups, 2) patients in whom the surgery was judged to be non-curative due to peritoneal seeding or local aggressiveness. Cases with follow-up periods of less than 18 months were also excluded, as these cases were considered insufficient to confirm the negative outcomes. Thus, a total of 149 patients were ultimately enrolled in our study. The follow-up results of unenhanced MR imagings were assessed according to the assumption that the newly developed hepatic metastases had been false-negative lesions on preoperative MR image. Results During a median follow-up period of 29.3 months, 25 hepatic metastases were detected in 13 patients (8.7%), which indicated a negative predictive value of 91.3%. Conclusion Unenhanced hepatic MR imaging provides a high negative predictive value with regard to the detection of hepatic metastasis in the preoperative evaluation of rectal cancer.
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1. College of Medicine (의과대학) > Dept. of Surgery (외과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
Yonsei Authors
Kim, Ki Whang(김기황)
Kim, Nam Kyu(김남규) ORCID logo https://orcid.org/0000-0003-0639-5632
Kim, Myeong Jin(김명진) ORCID logo https://orcid.org/0000-0001-7949-5402
Kim, Won Ho(김원호) ORCID logo https://orcid.org/0000-0002-5682-9972
Kim, Joo Hee(김주희) ORCID logo https://orcid.org/0000-0001-5383-3602
Oh, Young Taik(오영택) ORCID logo https://orcid.org/0000-0002-4438-8890
Lee, Kang Young(이강영)
Lim, Joon Seok(임준석) ORCID logo https://orcid.org/0000-0002-0334-5042
Choi, Jin Sub(최진섭)
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