A Violaceous Mass of the Chest: An Unsuspected Diagnosis of Primary Ewing Sarcoma. SKIN The Journal of Cutaneous Medicine, [S. l.], v. 7, n. 3, p. 837–839, 2023. DOI: 10.25251/skin.7.3.15. Disponível em: https://skin.dermsquared.com/skin/article/view/1749. Acesso em: 23 jan. 2026.