Duarte-Williamson, E., Antony, F., & Rotarescu, R. (2012). Sinus histiocytosis (Rosai- Dorfman disease) presenting with solitary cutaneous nodule: a very rare clinical entity. Dermatology Practical & Conceptual, 17-19. https://www.dpcj.org/index.php/dpc/article/view/dermatol-pract-concept-articleid-dp0202a04