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European Radiology

, Volume 21, Issue 2, pp 281–290 | Cite as

The diffusion-weighted imaging perfusion fraction f is a potential marker of sorafenib treatment in advanced hepatocellular carcinoma: a pilot study

  • Maïté Lewin
  • Laetitia Fartoux
  • Alexandre Vignaud
  • Lionel Arrivé
  • Yves Menu
  • Olivier Rosmorduc
Hepatobiliary-Pancreas

Abstract

Objective

To determine the total Apparent Diffusion Coefficient (ADC), the pure Diffusion coefficient (D) and the perfusion fraction (f) in advanced hepatocellular carcinoma (HCC) under sorafenib treatment.

Materials and methods

Two target tumors were prospectively analyzed in 12 patients at baseline, 2-weeks and 2-months treatment using b values of 0, 200, 400, 800 s/mm. Repeatability error was estimated on a healthy volunteer.

Results

Lesion sizes, ADC and D values did not significantly change during treatment (overall mean values, respectively, 47.8 ± 31.0 mm, 1.34 ± 0.14 × 10−3 mm2/s and 1.18 ± 0.22 × 10−3 mm2/s). However, f values significantly increased in seven responder patients (+38.39% at 2-weeks, +50.94% at 2-months, P = 0.005) while they decreased in five non responder patients (−41.93% at 2-weeks, P = 0.006). Furthermore, f was inversely correlated with αFP levels (P = 0.032) and responder patients had a higher mean overall survival (OS) than non responder patients (12.29 ± 4.46 vs. 7.80 ± 4.97 months). The % variation of f relative to baseline at 2-months was correlated with OS (P = 0.038) and symptomatic time to progression (P = 0.022).

Conclusion

Contrary to ADC and D, the perfusion fraction f is a valuable marker of sorafenib treatment in advanced HCC.

Keywords

Diffusion coefficient Perfusion fraction Hepatocellular carcinoma Anti-angiogenics Sorafenib Response assessment 

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Copyright information

© European Society of Radiology 2010

Authors and Affiliations

  • Maïté Lewin
    • 1
    • 3
    • 5
  • Laetitia Fartoux
    • 2
  • Alexandre Vignaud
    • 4
  • Lionel Arrivé
    • 1
    • 3
  • Yves Menu
    • 1
    • 3
  • Olivier Rosmorduc
    • 2
    • 3
  1. 1.Departments of RadiologySaint-Antoine Hospital, Assistance Publique-Hôpitaux de ParisParisFrance
  2. 2.Departments of HepatologySaint-Antoine Hospital, Assistance Publique-Hôpitaux de ParisParisFrance
  3. 3.University Paris VI Pierre et Marie CurieParisFrance
  4. 4.France and Siemens Medical DepartmentSaint-DenisFrance
  5. 5.Service de RadiologieHôpital Saint AntoineParisFrance

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