Masson’s Tumor Mimicking Mesenchymal Neoplasia: A Case Report of Intravascular Papillary Endothelial Hyperplasia in the Deltoid Muscle. - Peralta Rivera, Cristina; Monroy Ramírez, Miguel Ángel; Morán Bernal, Diana Ximena; Arteaga González, Camila Dennys; Gómez López, Saúl Iván; Solano Vargas, Saided; Silva Flores, Rafael (Case Reports in Oncology, 2026)