Lambertini M, Dika E, Patrizi A, Fanti A, Baraldi C, Di Altobrando A. A red nodule of the scalp. Dermatol Pract Concept. 2018;8(1). Accessed April 25, 2026. https://www.dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp0801a10