[Place of percutaneous nephrolithotomy in the treatment of staghorn stones, 83 cases].

Background: Staghorn stone is considered as a dreadful type of renal stones. The choice of the best treatment is always difficult.

Aim: To evaluate the results of percutaneous nephrolithotomy in the treatment of staghorn stones.

[Renal adenocarcinoma in horseshoe kidney, report of a case].

Tumors arising within horseshoe kidney are uncommon and may be difficult to identify. The incidence of tumor within horseshoe kidney is higher than in the normal one. Adenocarcinoma is the most common tumor.