Distal ureteral atresia associated with ipsilateral renal dysplasia.

A 56-year-old man presented with unilateral ureteral atresia associated with renal dysplasia. He had no previous urinary symptoms. The diagnosis was established histopathologically after nephroureterectomy.

Ureaplasma urealyticum and infected renal calculi.

In a group of 41 patients with infection lithiasis, the presence of Ureaplasma urealyticum in urine and in the calculi was investigated. A control group of 27 patients with metabolic lithiasis was simultaneously evaluated. Ureaplasma urealyticum was detected in a total of 10 patients with infection lithiasis.