[Bladder adenocarcinoma of the signet-ring cell type. Report of a case]. / Adenocarcinoma vesical del tipo células en anillo de sello. Aportación de un caso.

Report of a case of vesical adenocarcinoma of the rarely occurring signet-ring cell type, characterized by an insidious development, predominance of urination disorders, submucosal growth, late diagnosis and very poor prognosis since it is not susceptible to radiotherapy or chemotherapy.