(en) A seven-year-old girl presented with a non-progressive erythematous nodule of 5 mm in diameter that had appeared on the back of her right hand one year earlier (figure 1A). Excision of the tumour by shave-coagulation was conducted. Histopathological analysis revealed a circumscribed lesion in the reticular dermis composed of densely packed sheets of small and uniform cells with a pseudovascular pattern (figure 1B, C). Immunohistochemical analysis demonstrated a strong positive CD99 cell membrane [...]
Dekeuleneer, V., El Nemnom, P., Vervier, J., Brichard, B., Libert, J., Van Eeckhout, P., Marot, L., Tennstedt, D., Levy, G., de Ville de Goyet, M., & Boulanger, C. (2019). Primary cutaneous Ewing sarcoma in a young girl. European Journal of Dermatology, 29(1), 96-97. https://doi.org/10.1684/ejd.2018.3477 (Original work published 2019)