Cdx2, cytokeratin 20, thyroid transcription factor 1, and prostate-specific antigen expression in unusual subtypes of prostate cancer - Leite, Katia Ramos Moreira; Mitteldorf, Cristina A. T. S.; Srougi, Miguel; Dall'Oglio, Marcos F.; Antunes, Alberto A.; Pontes, José; Camara-Lopes, Luiz Heraldo (Annals of Diagnostic Pathology, 2008)