Intussusception reveals MUTYH-associated polyposis syndrome and colorectal cancer: a case report. - de Mesquita, Gustavo Heluani Antunes; Carvalho, Bárbara Justo; de Almeida Medeiros, Kayo Augusto; Nii, Fernanda; Martines, Diego Ramos; Pipek, Leonardo Zumerkorn; Jardim, Yuri Justi; Waisberg, Daniel Reis; Obara, Marcos Takeo; Sitnik, Roberta; Meyer, Alberto; Mangueira, Cristóvão Luis Pitangueiras (BMC Cancer, 2019)