title: Automated liver volumetry in orthotopic liver transplantation using multiphase acquisitions on MDCT.
abstract: OBJECTIVE
  The aim of this study was to test a new automated hepatic volumetry technique by comparing the accuracies and postprocessing times of manual and automated liver volume segmentation methods in a patient population undergoing orthotopic liver transplantation so that liver volume could be determined on pathology as the standard of reference.
  
  
  CONCLUSIONS
  Both manual and automated multiphase MDCT-based volume measurements were strongly correlated to liver volume (Pearson correlation coefficient, r = 0.87 [p < 0.0001] and 0.90 [p < 0.0001], respectively). Automated multiphase segmentation was significantly more rapid than manual segmentation (mean time, 16 ± 5 [SD] and 86 ± 3 seconds, respectively; p = 0.01). Overall, automated liver volumetry based on multiphase CT acquisitions is feasible and more rapid than manual segmentation.
authors.affiliation: Department of Radiology, CHU Henri Mondor, AP-HP, Créteil, France. alain.luciani@hmn.aphp.fr
authors.forename: Alain
authors.initials: A
authors.lastname: Luciani
authors.forename: Laszlo
authors.initials: L
authors.lastname: Rusko
authors.forename: Laurence
authors.initials: L
authors.lastname: Baranes
authors.forename: Eric
authors.initials: E
authors.lastname: Pichon
authors.forename: Blandine
authors.initials: B
authors.lastname: Loze
authors.forename: Jean-François
authors.initials: JF
authors.lastname: Deux
authors.forename: Alexis
authors.initials: A
authors.lastname: Laurent
authors.forename: Jeanne
authors.initials: J
authors.lastname: Tran-Van-Nhieu
authors.forename: Alain
authors.initials: A
authors.lastname: Rahmouni
mesh_terms: D000328:Adult; D000368:Aged; D000465:Algorithms; D005260:Female; D006801:Humans; D016031:Liver Transplantation / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D009929:Organ Size; D011857:Radiographic Image Interpretation, Computer-Assisted / Q000379:methods*; D013997:Time Factors; D014057:Tomography, X-Ray Computed / Q000379:methods*