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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한자기공명의과학회 Investigative Magnetic Resonance Imaging Investigative Magnetic Resonance Imaging 제23권 제3호
- 발행연도
- 2019.1
- 수록면
- 251 - 258 (8page)
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Purpose: To assess the feasibility of the use of spin-echo echo-planar imaging (SE-EPI) magnetic resonance elastography (MRE) in livers of children and young adults. Materials and Methods: Patients (≤ 20 years old) who underwent 3T SE-EPI MRE were included retrospectively. Subjects were divided into three groups according to the purpose of the liver MRI: suspicion of fatty liver or focal fat deposition in the liver (FAT group), liver fibrosis after receiving a Kasai operation from biliary atresia (BA group), and hepatic iron deposition after receiving chemotherapy or transfusions (IRON group). Technical failure of MRE was defined when a stiffness map showed no pixel value with a confidence index higher than 95%, and the patients were divided as success and failure groups accordingly. Clinical findings including age, gender, weight, height, and body mass index and magnetic resonance imaging results including proton density fat fraction (PDFF), T2*, and MRE values were assessed. Factors affecting failure of MRE were evaluated and the image quality in wave propagation image and stiffness map was evaluated using the appropriate scores. Results: Among total 240 patients (median 15 years, 211 patients in the FAT, 21 patients in the BA, and 8 patients in the IRON groups), technical failure was noted in six patients in the IRON group (6/8 patients, 75%), while there were no failures noted in the FAT and BA groups. These six patients had T2* values ranging from 0.9 to 3.8 ms. The image quality scores were not significantly different between the FAT and BA groups (P > 0.999), while the scores were significantly lower in the IRON group (P < 0.001). Conclusion: The 3T SE-EPI MRE in children and young adults had a high technical success rate. The technical failure was occurred in children with decreased T2* value (≤ 3.8 ms) from iron deposition.
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참고문헌 (28)
참고문헌 신청
Bonekamp S / 2009 / Can imaging modalities diagnose and stage hepatic fibrosis and cirrhosis accurately? / J Hepatol 50:17~35
Mavis AM / 2015 / Liver disease in the adolescent / Clin Liver Dis 19:171~185
Friedman SL / 2010 / Evolving challenges in hepatic fibrosis / Nat Rev Gastroenterol Hepatol 7:425~436
Bortolotti F / 2007 / Reversal of liver cirrhosis: a desirable clinical outcome and its pathogenic background / J Pediatr Gastroenterol Nutr 44:401~406
Castera L / 2010 / Biopsy and non-invasive methods for the diagnosis of liver fibrosis: does it take two to tango? / Gut 59:861~866
Mavis AM / 2015 / Liver disease in the adolescent / Clin Liver Dis 19:171~185
Friedman SL / 2010 / Evolving challenges in hepatic fibrosis / Nat Rev Gastroenterol Hepatol 7:425~436
Bortolotti F / 2007 / Reversal of liver cirrhosis: a desirable clinical outcome and its pathogenic background / J Pediatr Gastroenterol Nutr 44:401~406
Castera L / 2010 / Biopsy and non-invasive methods for the diagnosis of liver fibrosis: does it take two to tango? / Gut 59:861~866
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