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The paper concerns the experience of our Institute in the field of radical plaque removal in Peyronie's disease with special focus to the new biomaterials used as a graft on replace the fibrotic tunica albuginea. This is a retrospective study that evaluated clinical outcomes with a follow-up ranging from the early post-operative period to six years later. Ninety-eight patients aged from 32 to 64 with compliant of high stage Peyronie's disease have been treated. Which surgery meanly occurred 12 months after the first diagnosis. The different biomaterials implanted have been studied in terms of biophysical properties and clinical features at short and long term follow-up. These results suggest that surgical therapy appears as the main option in the treatment of Peyronie' disease, specially in the advanced state, plaque surgery being the most radical one; today we have a lot of different materials for substitution of albuginea but maybe noone represents the real gold standard. As concerns elasticity and biocompatibility, vein gave the best results, even if the operating time is longer. A new enthusiasm comes from SIS (porcine intestinal sub-mucose), whose early clinical and biological results are satisfactory in terms of elasticity and reduced operating time.

A rare case of bilateral pararenal abscess secondary to staghorn calculi is reported. It is characterized by a singular evolution in both side, with fistulization along iliopsoas muscle until the Scarpa triangle. Considering the seriousness of this illness, the importance of an early surgical therapy of complicated staghorn lithiasis is underlined.

The synthetic resin moulds of the human normal livers permit the schematization of the distribution and the disposition of the vascular elements of the hepatic tree. The authors have described all the segments and sectors of the ilus in their modal disposition that are important from the point of view of the operation. Beside that, they have pointed out the presence of anastomosis, at the level of the ilaris plate and the existence of anastomotical ramifications between the right and left sectors, and the close dependence of each sector from his own vascular ilus. The authors emphasize the importance of this observation from the surgical point of view.