Low-attenuation area percentage

1. Low-attenuation area percentage is associated with pectoralis major muscle fat infiltration rate in humans.

   “the total fat infiltration rate of the pectoralis major muscle was the highest”

   HumansLAA% grade 3n = 260

   Association between quantitative CT-derived body composition and lung low-attenuation area percentage: discrimination of high LAA% burden · Frontiers in medicine · 14 Sep 2026

Pectoralis major muscle fat infiltration rate →

1. Low-attenuation area percentage is associated with vertebral volumetric bone mineral density in humans.

   “subcutaneous fat content, total muscle area of the same layer, and L1-2 vertebral volumetric bone mineral density (vBMD)”

   HumansLAA% grade 3n = 260

   Association between quantitative CT-derived body composition and lung low-attenuation area percentage: discrimination of high LAA% burden · Frontiers in medicine · 14 Sep 2026

Vertebral volumetric bone mineral density →

1. Low-attenuation area percentage is associated with pectoralis major muscle area in humans.

   “Participants in LAA% grade 3 had the lowest pectoralis major muscle area (PMcsa), pectoralis major muscle index (PMI), pectoralis major muscle density (PMD)”

   HumansLAA% grade 3n = 260

   Association between quantitative CT-derived body composition and lung low-attenuation area percentage: discrimination of high LAA% burden · Frontiers in medicine · 14 Sep 2026

Pectoralis major muscle area →