[Isolated and unilateral malacoplakia of the upper urinary tract. Apropos of a case]

Malakoplakia, strictly unilateral and localised to the upper urinary tract, is a rare presentation of this uncommon inflammatory disease. In this 53 year old woman, the disease presented in the form of a tumour of the left upper urinary tract. Radical nephroureterectomy was performed and histological examination of the resection specimen revealed the diagnosis.