Key result
A novel standardized space mapping for abdominal CTs identified that maximum area-to-volume correlations for fat estimation occur at T12-L1 for SAT and L3-L4 for VAT, rather than the commonly assumed L4-L5 junction.
Population
50 abdominal CT data sets
Comparison
Novel strategy for mapping slice locations to a… vs Current practice
Authors
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Should not yet change L4-L5 practice for CT fat estimation; hypothesis-generating for T12-L1/L3-L4 optimization.
Observational (n=50)
Optimal anatomic locations for estimating subcutaneous and visceral adipose tissue from single CT slices are T12-L1 and L3-L4 respectively, challenging the standard practice of using L4-L5.
Tong et al. (2014) conducted an observational in Body fat quantification (n=50). Standardized anatomic space mapping for CT slice location vs. Current practice (L4-L5 junction) was evaluated on Volume-to-area correlations for subcutaneous adipose tissue (SAT) and visceral adipose tissue (VAT). A novel standardized space mapping for abdominal CTs identified that maximum area-to-volume correlations for fat estimation occur at T12-L1 for SAT and L3-L4 for VAT, rather than the commonly assumed L4-L5 junction.
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