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Life sciences · Observational Study
ClinicalTrials.gov · November 6, 2026
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Observational Study.
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Registry record from ClinicalTrials.gov (NCT07921290). This is a study registration, not published results. Lead sponsor: Karadeniz Technical University. Recruitment status: NOT_YET_RECRUITING. Study type: OBSERVATIONAL. Enrollment: 64 participants (ESTIMATED). Conditions: Lymphedema, Upper Extremity Lymphedema, Breast Cancer Related Lymphedema, Edema. Primary outcome measures: Upper Extremity Limb Volume , Assessed during the single cross-sectional experimental testing session (approximately 1 to 2 hours per participant).. Brief summary: This study aims to evaluate and compare the measurement reliability, total time cost (preparation, acquisition, post-processing), and participant comfort of conventional limb volume measurement methods (water displacement volumetry, tape-based circumference measurement) against modern digital techniques (LiDAR-based mobile scanning, stereophotogrammetric 3D optical scanning) in the upper extremity. The evaluation will be conducted on both healthy adults and patients diagnosed with upper extremity lymphedema. Additionally, the impact of assessor experience on digital data post-processing and the sensitivity of the methods to detect small localized volume increases using a simulated edema model (50 mL) will be investigated.