Urothelial metaplasia of the bladder mucosa. Nephroid-colonic- and signet-ring cell metaplasia.


Three different types of metaplasia of the urinary bladder are described: nephroid metaplasia, colonic metaplasia and signet-ring cell metaplasia. The latter metaplasia was without any histological signs of malignancy and the patient is still alive without recurrence, 12 years after the diagnosis was made. We believe it is the first published case of benign… (More)