Fertilization and pregnancy achieved by intracytoplasmic injection of sperm retrieved from testicular biopsies.

Objective: To determine if intracytoplasmic sperm injection using testicular sperm is effective in the treatment of infertile couples with obstructive azoospermia.

Design: Case report.

Setting: Tertiary care teaching medical center.

Percutaneous nephrolithotomy in children.

Percutaneous nephrolithotomy was performed on 18 children with renal calculi. No mortality resulted from this procedure and hemorrhage was the major complication. At the end of treatment 67% of the patients were stone-free and 82% of targeted stones were removed.