Primary signet cell adenocarcinoma of bladder
Primary signet cell cancer of the urinary bladder is a relatively rare entity.Since there is no mucinous epithelium in the bladder, It is proposed that the tumor arises from metaplastic urothelium.Two thirds of the tumours are mucin Stain remover secreting, in most of which the site of the deposition is either extracellular or intracellular displac