Citation, DOI, disclosures and article data
Citation:
Taha E, Hacking C, Knipe H, et al. CT liver volumetry in living donor liver transplantation (approach). Reference article, Radiopaedia.org (Accessed on 28 Mar 2024) https://doi.org/10.53347/rID-75650
Disclosures:
At the time the article was last revised Craig Hacking had the following disclosures:
- Philips Australia, Paid speaker at Philips Spectral CT events (ongoing)
These were assessed during peer review and were determined to
not be relevant to the changes that were made.
View Craig Hacking's current disclosures
CT liver volumetry in living donor liver transplantation is essential imaging studies in preoperative assessment of potential liver transplant donors.
Liver volumetry is performed for the donor liver to calculate the graft volume and remnant liver volume. Preoperative measurement of liver volume is important to avoid graft mismatch. Donor-recipient graft mismatch has two forms:
overestimation of the donor’s standard liver volume resulting in excess hepatic resection and consequent liver failure
underestimation of the recipient's standard liver volume resulting in small-for-size graft syndrome
The graft volume is measured by either graft recipient weight ratio (GRWR), or the ratio of graft volume relative to the standard liver volume of the recipient (GV/SLV). GRWR must be > 0.8% and/or GV/SLV > 35%. The remnant liver volume must be >30% of the whole liver volume. The gold standard method for preoperative liver volumetry is manual CT volumetry
Radiology report
CT volumetry
The following are typically important to be included in the report (volumes in cm3 or grams):
total liver volume
right lobe volume with MHV
right lobe volume without MHV
residual left lobe with MHV: volume and percentage of the whole liver volume
residual left lobe without MHV: volume and percentage of the whole liver volume
Graft to recipient weight ratio (GRWR)
Two ratios are calculated:
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