Primary Source #398:

Ständer S, Syring F, Ludwig RJ, Thaçi D. Successful Treatment of Refractory Palmoplantar Pustular Psoriasis With Apremilast: A Case Series. Front Med (Lausanne). 2020 Oct 15;7:543944. doi: 10.3389/fmed.2020.543944. PMID: 33178709; PMCID: PMC7593234.

***
Feel free to use any of the images showcased on this website for non-commercial purposes. Please cite both this website (UNC School of Medicine Dermatology Image Library - http://med.unc.edu/dil) and the primary source of the image as references.
***