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01.05.2012 | Magnetic Resonance

Iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL) imaging of multiple myeloma: initial clinical efficiency results

verfasst von: Miyuki Takasu, Chihiro Tani, Yasuko Sakoda, Miho Ishikawa, Keizo Tanitame, Shuji Date, Yuji Akiyama, Akira Sakai, Hideki Asaoku, Toshio Kajima, Kazuo Awai

Erschienen in: European Radiology | Ausgabe 5/2012

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Abstract

Objectives

To evaluate the effectiveness of the iterative decomposition of water and fat with echo asymmetric and least-squares estimation (IDEAL) MRI to quantify tumour infiltration into the lumbar vertebrae in myeloma patients without visible focal lesions.

Methods

The lumbar spine was examined with 3 T MRI in 24 patients with multiple myeloma and in 26 controls. The fat-signal fraction was calculated as the mean value from three vertebral bodies. A post hoc test was used to compare the fat-signal fraction in controls and patients with monoclonal gammopathy of undetermined significance (MGUS), asymptomatic myeloma or symptomatic myeloma. Differences were considered significant at P < 0.05. The fat-signal fraction and β₂-microglobulin-to-albumin ratio were entered into the discriminant analysis.

Results

Fat-signal fractions were significantly lower in patients with symptomatic myelomas (43.9 ±19.7%, P < 0.01) than in the other three groups. Discriminant analysis showed that 22 of the 24 patients (92%) were correctly classified into symptomatic or non-symptomatic myeloma groups.

Conclusions

Fat quantification using the IDEAL sequence in MRI was significantly different when comparing patients with symptomatic myeloma and those with asymptomatic myeloma. The fat-signal fraction and β₂-microglobulin-to-albumin ratio facilitated discrimination of symptomatic myeloma from non-symptomatic myeloma in patients without focal bone lesions.

Key Points

• A new magnetic resonance technique (IDEAL) offers new insights in multiple myeloma.

• Fat-signal fractions were lower in patients with symptomatic myelomas than in those with asymptomatic myelomas.

• The β2-microglobulin-to-albumin ratio also aided discrimination of symptomatic myeloma.

• The fat-signal fraction may provide information about the myeloma cell mass.

Nur mit Berechtigung zugänglich

Durie BG, Kyle RA, Belch A et al (2003) Myeloma management guidelines: a consensus report from the Scientific Advisors of the International Myeloma Foundation. Hematol J 4:379–398PubMedCrossRef

Smith A, Wisloff F, Samson D (2005) Guidelines on the diagnosis and management of multiple myeloma 2005. Br J Haematol 132:410–451CrossRef

Hjorth M, Hellquist L, Holmberg E et al (1993) Initial versus deferred melphalan-prednisone therapy for asymptomatic multiple myeloma stage I – a randomized study. Myeloma Group of Western Sweden. Eur J Haematol 50:95–102PubMedCrossRef

Riccardi A, Mora O, Tinelli C et al (2000) Long-term survival of stage I multiple myeloma given chemotherapy just after diagnosis or at progression of the disease: A multicentre randomized study. Br J Cancer 82:1254–1260PubMedCrossRef

Modic MT, Obuchowski N (2004) Whole-body CT screening for cancer and coronary disease: does it pass the test? Cleveland Clin J Med 71:47–56CrossRef

Durie BG, Waxman AD, D’Agnolo A et al (2002) Whole Body F-FDG PET identifies high-risk myeloma. J Nucl Med 43:1457–1463PubMed

Hutton MJ, Bayer JH, Powell J, Sharp DJ et al (2011) Modic vertebral body changes: The natural history as assessed by consecutive magnetic resonance imaging. Spine (Phila Pa 1976). Feb 25. doi:10.1097/BRS.0b013e31821604b6

Reeder SB, Wen Z, Yu H et al (2004) Multicoil Dixon chemical species separation with an iterative least-squares estimation method. Magn Reson Med 51:35–45PubMedCrossRef

Reeder SB, Pineda AR, Wen Z et al (2005) Iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL): application with fast spin-echo imaging. Magn Reson Med 54:636–644PubMedCrossRef

10.

Gerdes CM, Kijowski R, Reeder SB et al (2007) IDEAL imaging of the musculoskeletal system: robust water fat separation for uniform fat suppression, marrow evaluation, and cartilage imaging. AJR Am J Roentgenol 189:W284–W291PubMedCrossRef

11.

Yu H, Reeder SB, Shimakawa A et al (2004) Implementation and noise analysis of chemical shift correction for fast spin echo Dixon imaging. (abstr) The International Society of Magnetic Resonance 12th annual meeting book of abstracts. Berkeley, CA: International Society of Magnetic Resonance May:2686

12.

International Myeloma Working Group (2003) Criteria for the classification of monoclonal gammopathies, multiple myeloma and related disorders: a report of the International Myeloma Working Group. Br J Haematol 121:749–757CrossRef

13.

Genant HK, Wu CY, van Kuijk C et al (1993) Vertebral fracture assessment using a semi-quantitative technique. J Bone Miner Res 8:1137–1148PubMedCrossRef

14.

Otake S, Mayr NA, Ueda T et al (2002) Radiation-induced changes in MR signal intensity and contrast enhancement of lumbosacral vertebrae: do changes occur only inside the radiation therapy field? Radiology 222:179–183PubMedCrossRef

15.

Yu H, Shimakawa A, McKenzie CA et al (2008) IDEAL water-fat decomposition with multipeak fat spectral modeling. Magn Res Med 60:1122–1134CrossRef

16.

Bydder M, Liang Y, Yu H et al (2010) Monitoring bone marrow changes during chemoradiotherapy using MRI fat quantification. (abstr) The International Society of Magnetic Resonance 18th annual meeting book of abstracts. Berkeley, CA: International Society of Magnetic Resonance May:2882

17.

Hwang IH, Chung JS, Shin HJ et al (2011) Predictive value of post-transplant bone marrow plasma cell percent in multiple myeloma patients undergone autologous transplantation. Korean J Intern Med 26:76–81PubMedCrossRef

18.

Dixon WT (1984) Simple proton spectroscopic imaging. Radiology 153:189–194PubMed

19.

Reeder SB, McKenzie CA, Pineda AR et al (2007) Water-fat separation with IDEAL gradient-echo imaging. J Magn Reson Imaging 25:644–652PubMedCrossRef

20.

Yu H, Shimakawa A, McKenzie CA, Brodsky E (2008) Multiecho water-fat separation and simultaneous R2* estimation with multifrequency fat spectrum modeling. Magn Reson Med Nov 60:1122–1134CrossRef

21.

Reeder SB, Robson PM, Yu H et al (2009) Quantification of hepatic steatosis with MRI: the effects of accurate fat spectral modeling. J Magn Reson Imaging 29:1332–1339PubMedCrossRef

22.

Yu H, Shimakawa A, Reeder S et al (2009) Magnitude fitting following phase sensitive water-fat separation to remove effects of phase errors (abstr). In: Proceedings of the Seventeenth Meeting of the International Society for Magnetic Resonance in Medicine. Berkeley, Calif: International Society for Magnetic Resonance in Medicine, 461.

23.

Stäbler A, Baur A, Bartl R et al (1996) Contrast enhancement and quantitative signal analysis in MR imaging of multiple myeloma: assessment of focal and diffuse growth patterns in marrow correlated with biopsies and survival rates. AJR Am J Roentgenol 167:1029–1036PubMed

24.

Durie BG (2006) The role of anatomic and functional staging in myeloma: Description of Durie/Salmon plus staging system. Eur J Cancer 42:1539–1543PubMedCrossRef

25.

Terpos E, Berenson J, Cook RJ et al (2010) Prognostic variables for survival and skeletal complications in patients with multiple myeloma osteolytic bone disease. Leukemia 24:1043–1049PubMedCrossRef

26.

Barlogie B, Bolejack V, Schell M et al (2010) Prognostic factor analyses of myeloma survival with intergroup trial S9321 (INT 0141): examining whether different variables govern different time segments of survival. Ann Hematol 90:423–428PubMedCrossRef

27.

Dimopoulos M, Kyle R, Fermand JP et al (2011) Consensus recommendations for standard investigative workup: report of the International Myeloma Workshop Consensus Panel 3. Blood 117:4701–4705PubMedCrossRef

28.

Larsen JT, Chee CE, Lust JA et al (2011) Reduction in plasma cell proliferation after initial therapy in newly diagnosed multiple myeloma measures treatment response and predicts improved survival. Blood 118:2702–2707PubMedCrossRef

29.

Ricci C, Cova M, Kang YS et al (1990) Normal age-related patterns of cellular and fatty bone marrow distribution in the axial skeleton: MR imaging study. Radiology 177:83–88PubMed

Titel: Iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL) imaging of multiple myeloma: initial clinical efficiency results
verfasst von: Miyuki Takasu
Chihiro Tani
Yasuko Sakoda
Miho Ishikawa
Keizo Tanitame
Shuji Date
Yuji Akiyama
Akira Sakai
Hideki Asaoku
Toshio Kajima
Kazuo Awai
Publikationsdatum: 01.05.2012
Verlag: Springer-Verlag
Erschienen in: European Radiology / Ausgabe 5/2012
Print ISSN: 0938-7994
Elektronische ISSN: 1432-1084
DOI: https://doi.org/10.1007/s00330-011-2351-8

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Iterative decomposition of water and fat with echo asymmetry and least-squares estimation (IDEAL) imaging of multiple myeloma: initial clinical efficiency results