A solitary soft-rubbery nodule in the perianal region of a newborn: a clinicopathological challenge - Sanchez-Gutierrez, Irene; Arenal, Elena M Lopez-Negrete; Najera-Botello, Laura; Alonso, Maria I Garcia-Hidalgo; Grau-Perez, Merce (INTERNATIONAL JOURNAL OF DERMATOLOGY, 2023)