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Background While validated scales must be created in order to systemically evaluate patients and quantify outcomes of aesthetic hand treatments, scales currently available are limited to the analysis of volume loss alone. Objectives The purpose of this study was to develop 3 validated scales for the assessment of dorsal hand aging that also take into consideration wrinkling and pigmentation. Methods Fifty (50) healthy volunteers (40 females and 10 males) with Fitzpatrick skin types I-IV were recruited, and standard photographs of their left and right dorsal hands were taken with a Nikon D7100 (Nikon; Minato, Tokyo, Japan) camera. Using 25 randomized photographs, 11 plastic surgery physicians (3 chief residents, 6 senior residents, and 2 aesthetic surgery fellows) were trained on the 3 scales under investigation as well as the already-validated Merz Hand Grading Scale (MHGS). The evaluators then viewed the remaining 75 photographs independently and assigned a grade for each of the 4 scales to each photograph. Inter-rater variability was calculated for each scale. Results The Kappa score for the MHGS was 0.25, indicating fair agreement; 0.40 for wrinkle scale, indicating fair agreement; and 0.48 and 0.46 for the pigmentation density and intensity scales, respectively, indicating moderate agreement (P &amp;lt; 0.001). Conclusions The results show that after receiving training, the inter-rater agreement for the 3 scales under investigation was similar or slightly higher than that for the MHGS. These 3 photographic classification systems can be used consistently and reliably to characterize multiple signs of dorsal hand aging. Level of Evidence: 2

A Single-Center Pilot Study to Classify Signs of Dorsal Hand Aging Using 3 Grading Scales