Ultrasonographic Pattern of Poly- l -Lactic Acid at High-Frequency and Ultrahigh-Frequency

Rosa Sigrist¹, Gabriela Noronha², Natacha Quezada³, Ximena Wortsman^{3

4

5}

Affiliations

¹ Department of Radiology, Faculty of Medicine, University of São Paulo, São Paulo, Brazil.
² Private Practice in Dermatology, São Paulo, Brazil.
³ Department of Dermatology, Faculty of Medicine, Universidad de Chile, Santiago, Chile.
⁴ Department of Dermatology, School of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile.
⁵ Institute for Diagnostic Imaging and Research of the Skin and Soft Tissues, Santiago, Chile.

Rosa Sigrist et al. Dermatol Surg. 2024.

. 2024 Aug 1;50(8):783-785.

doi: 10.1097/DSS.0000000000004177. Epub 2024 Apr 16.

Rosa Sigrist¹, Gabriela Noronha², Natacha Quezada³, Ximena Wortsman^{3

4

5}

¹ Department of Radiology, Faculty of Medicine, University of São Paulo, São Paulo, Brazil.
² Private Practice in Dermatology, São Paulo, Brazil.
³ Department of Dermatology, Faculty of Medicine, Universidad de Chile, Santiago, Chile.
⁴ Department of Dermatology, School of Medicine, Pontificia Universidad Catolica de Chile, Santiago, Chile.
⁵ Institute for Diagnostic Imaging and Research of the Skin and Soft Tissues, Santiago, Chile.

No abstract available

References

1. Wortsman X. Ultrasound in aesthetics. In: Wortsman X, ed. Textbook of Dermatologic Ultrasound. Cham, Switzerland: Springer; 2022:415–32.
1. Fitzgerald R, Bass LM, Goldberg DJ, Graivier MH, et al. Physiochemical characteristics of poly-L-lactic acid (PLLA). Aesthet Surg J 2018;38:S13–S17.
1. Fitzgerald R, Vleggaar D. Facial volume restoration of the aging face with poly-L-lactic acid. Dermatol Ther 2011;24:2–27.
1. Sigrist RM, de Noronha MGO, Borelli SS, Teixeira SP, et al. Dynamic ultrasound evaluation of body fillers and biostimulators in the buttocks of fresh-frozen specimen. J Cosmet Dermatol 2022;21:5621–7.
1. da Cunha MG, Sigrist R. Static and dynamic high-resolution ultrasound analysis of tissue distribution of poly-L-lactic acid particles during subdermal application in two different presentations. Skin Health Dis 2022;3:e155.