Technical performance of L3 skeletal muscle area (SMA) measurement on CT for L3 skeletal muscle index (L3SMI) assessment.

Hubert Beaumont¹, Emilie Khayat², Alexandre Thinnes², Antoine Iannessi²

¹Median Technologies, Les Deux Arcs, 1800 Route Des Crêtes, 06560, Valbonne, France. hubertbeaumont@hotmail.com.

²Median Technologies, Les Deux Arcs, 1800 Route Des Crêtes, 06560, Valbonne, France.

Abstract

This study aims at documenting the technical performances of the Skeletal Muscle Index at the L3 vertebra (L3SMI). In this retrospective multicenter study, we used TotalSegmentator freeware to segment muscles in axial CT scans at the L3 vertebra level and measure Skeletal Muscle Area (SMA). A dataset of 100 cancer patients (lung, colorectal, adrenal, pancreatic) was analyzed for accuracy, reproduc…

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