A challenging alpha-fetoprotein after liver transplantation Emanuel Dias; Hélder Cardoso; Eduardo Rodrigues-Pinto; Raquel Portugal; Guilherme Macedo;

Tocilizumab as a possible cause of ischemic colitis Rocío Forneiro Pérez; Pablo Dabán López; María Sol Zurita Saavedra; María Dolores Hernández García; Benito Mirón Pozo;

Mantle cell lymphoma: A rare cause of colon polyposis Emanuel Dias; Margarida Marques; Daniel Melo; Guilherme Macedo;