Abstract
Background
Liver remnant volumes after major hepatic resection and graft volumes for liver transplantation
correlate with surgical outcome. The relative contributions of the hepatic segments
to total liver volume (TLV) are not well established.
Methods
TLV and hepatic segment volumes were measured with computed tomography (CT) in 102
patients without liver disease who underwent CT for conditions unrelated to the liver
or biliary tree.
Results
TLV ranged from 911 to 2729 cm3. On average, the right liver (segments V, VI, VII, and VIII) contributed approximately
two thirds of TLV (997±279 cm3), and the left liver (segments II, III and IV) contributed approximately one third
of TLV (493±127 cm3). Bisegment II+III (left lateral section) contributed about half the volume of the
left liver (242±79 cm3), or 16% of TLV. Liver volumes varied significantly between patients—the right liver
varied from 49% to 82% of TLV, the left liver, 17% to 49% of TLV, and bisegment II+III
(left lateral section) 5% to 27% of TLV. Bisegment II+III contributed less than 20%
of TLV in more than 75% of patients and the left liver contributed 25% or less of
TLV in more than 10% of patients.
Discussion
There is clinically significant interpatient variation in hepatic volumes. Therefore,
in the absence of appreciable hypertrophy, we recommend routine measurement of the
future liver remnant before extended right hepatectomy (right trisectionectomy) and
in selected patients before right hepatectomy if a small left liver is anticipated.
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Article info
Publication history
Accepted:
August 31,
2003
Houston, Tex, and Lausanne, SwitzerlandFootnotes
☆Presented at the 2003 American Congress of the American Hepato-Pancreato-Biliary Association, Miami, Florida, March 1, 2003.
Identification
Copyright
© 2004 Elsevier Inc. Published by Elsevier Inc. All rights reserved.
