In the article “Serum Amyloid A: A Potential New Marker of Severity in Hidradenitis Suppurativa” [Skin Appendage Disord 2023;9(3):165–168. https://doi.org/10.1159/000528658] by Iannone et al., the 4th author’s affiliation should correctly read Matteo Bevilacquaa, because the author was affiliated with the Department of Dermatology, University of Pisa, Pisa, Italy.