Challenging diagnosis of a plasmacytic cell tumor in the maxilla - Blanco, Débora Cristina Goncalves; Mata, Paula Sena; Horikawa, Fernando Kendi; Custodio, Marcos; Martins, Marília Trierveiler; Sugaya, Norberto Nobuo; Gallo, Camila de Barros (Oral Surgery, Oral Medicine, Oral Pathology and Oral Radiology, 2018)